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richardr1126

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spider-context-validation

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world_1

What are the names and areas of countries with the top 5 largest area?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name , surfacearea from country order by surfacearea desc limit 5

world_1

Return the names and surface areas of the 5 largest countries.

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name , surfacearea from country order by surfacearea desc limit 5

world_1

What are names of countries with the top 3 largest population?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name from country order by population desc limit 3

world_1

Return the names of the 3 most populated countries.

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name from country order by population desc limit 3

world_1

What are the names of the nations with the 3 lowest populations?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name from country order by population asc limit 3

world_1

Return the names of the 3 countries with the fewest people.

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name from country order by population asc limit 3

world_1

how many countries are in Asia?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select count ( * ) from country where continent = 'Asia'

world_1

Count the number of countries in Asia.

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select count ( * ) from country where continent = 'Asia'

world_1

What are the names of the countries that are in the continent of Europe and have a population of 80000?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name from country where continent = 'Europe' and population = '80000'

world_1

Give the names of countries that are in Europe and have a population equal to 80000.

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name from country where continent = 'Europe' and population = '80000'

world_1

What is the total population and average area of countries in the continent of North America whose area is bigger than 3000 ?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select sum ( population ) , avg ( surfacearea ) from country where continent = 'north america' and surfacearea > 3000

world_1

Give the total population and average surface area corresponding to countries in North America that have a surface area greater than 3000 .

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select sum ( population ) , avg ( surfacearea ) from country where continent = 'north america' and surfacearea > 3000

world_1

What are the cities whose population is between 160000 and 900000?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name from city where population between 160000 and 900000

world_1

Return the names of cities that have a population between 160000 and 900000 .

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select name from city where population between 160000 and 900000

world_1

Which language is spoken by the largest number of countries?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select language from countrylanguage group by language order by count ( * ) desc limit 1

world_1

Give the language that is spoken in the most countries.

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select language from countrylanguage group by language order by count ( * ) desc limit 1

world_1

What is the language spoken by the largest percentage of people in each country?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select language , countrycode , max ( percentage ) from countrylanguage group by countrycode

world_1

What are the country codes of the different countries, and what are the languages spoken by the greatest percentage of people for each?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select language , countrycode , max ( percentage ) from countrylanguage group by countrycode

world_1

What is the total number of countries where Spanish is spoken by the largest percentage of people?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select count ( * ) , max ( percentage ) from countrylanguage where language = 'Spanish' group by countrycode

world_1

Count the number of countries for which Spanish is the predominantly spoken language.

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select count ( * ) , max ( percentage ) from countrylanguage where language = 'Spanish' group by countrycode

world_1

What are the codes of countries where Spanish is spoken by the largest percentage of people?

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select countrycode , max ( percentage ) from countrylanguage where language = 'Spanish' group by countrycode

world_1

Return the codes of countries for which Spanish is the predominantly spoken language.

# city ( id , name , countrycode , district , population ) # sqlite_sequence ( name , seq ) # country ( code , name , continent , region , surfacearea , indepyear , population , lifeexpectancy , gnp , gnpold , localname , governmentform , headofstate , capital , code2 ) # countrylanguage ( countrycode , language , isofficial , percentage ) # city.countrycode = country.code # countrylanguage.countrycode = country.code

select countrycode , max ( percentage ) from countrylanguage where language = 'Spanish' group by countrycode

orchestra

How many conductors are there?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select count ( * ) from conductor

orchestra

Count the number of conductors.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select count ( * ) from conductor

orchestra

List the names of conductors in ascending order of age.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select name from conductor order by age asc

orchestra

What are the names of conductors, ordered by age?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select name from conductor order by age asc

orchestra

What are the names of conductors whose nationalities are not "USA"?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select name from conductor where nationality != 'USA'

orchestra

Return the names of conductors that do not have the nationality "USA".

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select name from conductor where nationality != 'USA'

orchestra

What are the record companies of orchestras in descending order of years in which they were founded?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select record_company from orchestra order by year_of_founded desc

orchestra

Return the record companies of orchestras, sorted descending by the years in which they were founded.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select record_company from orchestra order by year_of_founded desc

orchestra

What is the average attendance of shows?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select avg ( attendance ) from show

orchestra

Return the average attendance across all shows.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select avg ( attendance ) from show

orchestra

What are the maximum and minimum share of performances whose type is not "Live final".

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select max ( share ) , min ( share ) from performance where type != 'Live final'

orchestra

Return the maximum and minimum shares for performances that do not have the type "Live final".

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select max ( share ) , min ( share ) from performance where type != 'Live final'

orchestra

How many different nationalities do conductors have?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select count ( distinct nationality ) from conductor

orchestra

Count the number of different nationalities of conductors.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select count ( distinct nationality ) from conductor

orchestra

List names of conductors in descending order of years of work.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select name from conductor order by year_of_work desc

orchestra

What are the names of conductors, sorted descending by the number of years they have worked?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select name from conductor order by year_of_work desc

orchestra

List the name of the conductor with the most years of work.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select name from conductor order by year_of_work desc limit 1

orchestra

What is the name of the conductor who has worked the greatest number of years?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select name from conductor order by year_of_work desc limit 1

orchestra

Show the names of conductors and the orchestras they have conducted.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select conductor.name , orchestra.orchestra from conductor join orchestra on conductor.conductor_id = orchestra.conductor_id

orchestra

What are the names of conductors as well as the corresonding orchestras that they have conducted?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select conductor.name , orchestra.orchestra from conductor join orchestra on conductor.conductor_id = orchestra.conductor_id

orchestra

Show the names of conductors that have conducted more than one orchestras.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select conductor.name from conductor join orchestra on conductor.conductor_id = orchestra.conductor_id group by orchestra.conductor_id having count ( * ) > 1

orchestra

What are the names of conductors who have conducted at more than one orchestra?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select conductor.name from conductor join orchestra on conductor.conductor_id = orchestra.conductor_id group by orchestra.conductor_id having count ( * ) > 1

orchestra

Show the name of the conductor that has conducted the most number of orchestras.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select conductor.name from conductor join orchestra on conductor.conductor_id = orchestra.conductor_id group by orchestra.conductor_id order by count ( * ) desc limit 1

orchestra

What is the name of the conductor who has conducted the most orchestras?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select conductor.name from conductor join orchestra on conductor.conductor_id = orchestra.conductor_id group by orchestra.conductor_id order by count ( * ) desc limit 1

orchestra

Please show the name of the conductor that has conducted orchestras founded after 2008.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select conductor.name from conductor join orchestra on conductor.conductor_id = orchestra.conductor_id where year_of_founded > 2008

orchestra

What are the names of conductors who have conducted orchestras founded after the year 2008?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select conductor.name from conductor join orchestra on conductor.conductor_id = orchestra.conductor_id where year_of_founded > 2008

orchestra

Please show the different record companies and the corresponding number of orchestras.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select record_company , count ( * ) from orchestra group by record_company

orchestra

How many orchestras does each record company manage?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select record_company , count ( * ) from orchestra group by record_company

orchestra

Please show the record formats of orchestras in ascending order of count.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select major_record_format from orchestra group by major_record_format order by count ( * ) asc

orchestra

What are the major record formats of orchestras, sorted by their frequency?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select major_record_format from orchestra group by major_record_format order by count ( * ) asc

orchestra

List the record company shared by the most number of orchestras.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select record_company from orchestra group by record_company order by count ( * ) desc limit 1

orchestra

What is the record company used by the greatest number of orchestras?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select record_company from orchestra group by record_company order by count ( * ) desc limit 1

orchestra

List the names of orchestras that have no performance.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select orchestra from orchestra where orchestra_id not in ( select orchestra_id from performance )

orchestra

What are the orchestras that do not have any performances?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select orchestra from orchestra where orchestra_id not in ( select orchestra_id from performance )

orchestra

Show the record companies shared by orchestras founded before 2003 and after 2003.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select record_company from orchestra where year_of_founded < 2003 intersect select record_company from orchestra where year_of_founded > 2003

orchestra

What are the record companies that are used by both orchestras founded before 2003 and those founded after 2003?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select record_company from orchestra where year_of_founded < 2003 intersect select record_company from orchestra where year_of_founded > 2003

orchestra

Find the number of orchestras whose record format is "CD" or "DVD".

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select count ( * ) from orchestra where major_record_format = 'CD' or major_record_format = 'DVD'

orchestra

Count the number of orchestras that have CD or DVD as their record format.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select count ( * ) from orchestra where major_record_format = 'CD' or major_record_format = 'DVD'

orchestra

Show the years in which orchestras that have given more than one performance are founded.

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select year_of_founded from orchestra join performance on orchestra.orchestra_id = performance.orchestra_id group by performance.orchestra_id having count ( * ) > 1

orchestra

What are years of founding for orchestras that have had more than a single performance?

# conductor ( conductor_id , name , age , nationality , year_of_work ) # orchestra ( orchestra_id , orchestra , conductor_id , record_company , year_of_founded , major_record_format ) # performance ( performance_id , orchestra_id , type , date , official_ratings_(millions) , weekly_rank , share ) # show ( show_id , performance_id , if_first_show , result , attendance ) # orchestra.conductor_id = conductor.conductor_id # performance.orchestra_id = orchestra.orchestra_id # show.performance_id = performance.performance_id

select year_of_founded from orchestra join performance on orchestra.orchestra_id = performance.orchestra_id group by performance.orchestra_id having count ( * ) > 1

network_1

How many high schoolers are there?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select count ( * ) from highschooler

network_1

Count the number of high schoolers.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select count ( * ) from highschooler

network_1

Show the names and grades of each high schooler.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select name , grade from highschooler

network_1

What are the names and grades for each high schooler?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select name , grade from highschooler

network_1

Show all the grades of the high schoolers.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade from highschooler

network_1

What is the grade of each high schooler?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade from highschooler

network_1

What grade is Kyle in?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade from highschooler where name = 'Kyle'

network_1

Return the grade for the high schooler named Kyle.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade from highschooler where name = 'Kyle'

network_1

Show the names of all high schoolers in grade 10.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select name from highschooler where grade = 10

network_1

What are the names of all high schoolers in grade 10?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select name from highschooler where grade = 10

network_1

Show the ID of the high schooler named Kyle.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select id from highschooler where name = 'Kyle'

network_1

What is Kyle's id?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select id from highschooler where name = 'Kyle'

network_1

How many high schoolers are there in grade 9 or 10?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select count ( * ) from highschooler where grade = 9 or grade = 10

network_1

Count the number of high schoolers in grades 9 or 10.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select count ( * ) from highschooler where grade = 9 or grade = 10

network_1

Show the number of high schoolers for each grade.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade , count ( * ) from highschooler group by grade

network_1

How many high schoolers are in each grade?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade , count ( * ) from highschooler group by grade

network_1

Which grade has the most high schoolers?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade from highschooler group by grade order by count ( * ) desc limit 1

network_1

Return the grade that has the greatest number of high schoolers.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade from highschooler group by grade order by count ( * ) desc limit 1

network_1

Show me all grades that have at least 4 students.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade from highschooler group by grade having count ( * ) >= 4

network_1

Which grades have 4 or more high schoolers?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select grade from highschooler group by grade having count ( * ) >= 4

network_1

Show the student IDs and numbers of friends corresponding to each.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select student_id , count ( * ) from friend group by student_id

network_1

How many friends does each student have?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select student_id , count ( * ) from friend group by student_id

network_1

Show the names of high school students and their corresponding number of friends.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select highschooler.name , count ( * ) from friend join highschooler on friend.student_id = highschooler.id group by friend.student_id

network_1

What are the names of the high schoolers and how many friends does each have?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select highschooler.name , count ( * ) from friend join highschooler on friend.student_id = highschooler.id group by friend.student_id

network_1

What is the name of the high schooler who has the greatest number of friends?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select highschooler.name from friend join highschooler on friend.student_id = highschooler.id group by friend.student_id order by count ( * ) desc limit 1

network_1

Return the name of the high school student with the most friends.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select highschooler.name from friend join highschooler on friend.student_id = highschooler.id group by friend.student_id order by count ( * ) desc limit 1

network_1

Show the names of high schoolers who have at least 3 friends.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select highschooler.name from friend join highschooler on friend.student_id = highschooler.id group by friend.student_id having count ( * ) >= 3

network_1

What are the names of high schoolers who have 3 or more friends?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select highschooler.name from friend join highschooler on friend.student_id = highschooler.id group by friend.student_id having count ( * ) >= 3

network_1

Show the names of all of the high schooler Kyle's friends.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select highschooler.name from friend join highschooler on friend.student_id = highschooler.id join highschooler on friend.friend_id = highschooler.id where highschooler.name = 'Kyle'

network_1

Return the names of friends of the high school student Kyle.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select highschooler.name from friend join highschooler on friend.student_id = highschooler.id join highschooler on friend.friend_id = highschooler.id where highschooler.name = 'Kyle'

network_1

How many friends does the high school student Kyle have?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select count ( * ) from friend join highschooler on friend.student_id = highschooler.id where highschooler.name = 'Kyle'

network_1

Count the number of friends Kyle has.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select count ( * ) from friend join highschooler on friend.student_id = highschooler.id where highschooler.name = 'Kyle'

network_1

Show ids of all students who do not have any friends.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select id from highschooler except select student_id from friend

network_1

What are the ids of high school students who do not have friends?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select id from highschooler except select student_id from friend

network_1

Show names of all high school students who do not have any friends.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select name from highschooler except select highschooler.name from friend join highschooler on friend.student_id = highschooler.id

network_1

What are the names of students who have no friends?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select name from highschooler except select highschooler.name from friend join highschooler on friend.student_id = highschooler.id

network_1

Show the ids of high schoolers who have friends and are also liked by someone else.

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select student_id from friend intersect select liked_id from likes

network_1

What are the ids of students who both have friends and are liked?

# highschooler ( id , name , grade ) # friend ( student_id , friend_id ) # likes ( student_id , liked_id ) # friend.friend_id = highschooler.id # friend.student_id = highschooler.id # likes.student_id = highschooler.id # likes.liked_id = highschooler.id

select student_id from friend intersect select liked_id from likes