human
Schema:
city (City_ID, City, Hanzi, Hanyu_Pinyin, Regional_Population, GDP)
match (Match_ID, Date, Venue, Score, Result, Competition)
temperature (City_ID, Jan, Feb, Mar, Apr, Jun, Jul, Aug, Sep, Oct, Nov, Dec)
hosting_city (Year, Match_ID, Host_City)
Please answer with SQL.
assistant
Sure, I understand.
human
Please give me a list of cities whose regional population is over 10000000.
assistant
SELECT city FROM city WHERE regional_population > 10000000
human
Which three cities have the largest regional population?
assistant
SELECT city FROM city ORDER BY regional_population DESC LIMIT 3
human
what is the GDP of the city with the largest population.
assistant
SELECT gdp FROM city ORDER BY Regional_Population DESC LIMIT 1
human
Please give me a list of cities whose regional population is over 8000000 or under 5000000.
assistant
SELECT city FROM city WHERE regional_population > 10000000 UNION SELECT city FROM city WHERE regional_population < 5000000
human
Find the cities which were once a host city after 2010?
assistant
SELECT T1.city FROM city AS T1 JOIN hosting_city AS T2 ON T1.city_id = T2.host_city WHERE T2.year > 2010
human
Which cities have served as host cities more than once? Return me their GDP and population.
assistant
SELECT t1.gdp , t1.Regional_Population FROM city AS T1 JOIN hosting_city AS T2 ON T1.city_id = T2.host_city GROUP BY t2.Host_City HAVING COUNT( * ) > 1 ;