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
How many events has 'Shanghai' hosted?
assistant
SELECT COUNT( * ) FROM city AS T1 JOIN hosting_city AS T2 ON T1.city_id = T2.host_city WHERE City = 'Shanghai';
human
Give me the temperature of Shanghai in March.
assistant
SELECT T2.Mar FROM city AS T1 JOIN temperature AS T2 ON T1.city_id = T2.city_id WHERE T1.city = 'Shanghai';
human
How about the temperature in January?
assistant
SELECT T2.Jan FROM city AS T1 JOIN temperature AS T2 ON T1.city_id = T2.city_id WHERE T1.city = "Shanghai" ;