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
Give me a list of cities whose temperature in Mar is lower than that in July and which have also served as host cities?
assistant
SELECT T1.city FROM city AS T1 JOIN temperature AS T2 ON T1.city_id = T2.city_id WHERE T2.Mar < T2.Jul INTERSECT SELECT T3.city FROM city AS T3 JOIN hosting_city AS T4 ON T3.city_id = T4.host_city
human
Please give me a list of cities whose regional population is over 10000000.
assistant
SELECT city FROM city WHERE regional_population > 10000000
human
What are the GDP and population of the city that already served as a host more than once?
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
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
what is the GDP of the city with the largest population.
assistant
SELECT gdp FROM city ORDER BY Regional_Population DESC LIMIT 1
human
Which city has the lowest GDP? Please list the city name and its GDP.
assistant
SELECT city , GDP FROM city ORDER BY GDP LIMIT 1 ;