human
Schema:
county (County_Id, County_name, Population, Zip_code)
party (Party_ID, Year, Party, Governor, Lieutenant_Governor, Comptroller, Attorney_General, US_Senate)
election (Election_ID, Counties_Represented, District, Delegate, Party, First_Elected, Committee)
Please answer with SQL.
assistant
Sure, I understand.
human
Tell me all the names of the counties.
assistant
SELECT County_name FROM county;
human
Okay. I want to know their delegates.
assistant
SELECT T2.Delegate FROM county AS T1 JOIN election AS T2 ON T1.County_id = T2.District;
human
Furthermore, please tell me which ones' population is larger than 50000?
assistant
SELECT T2.Delegate FROM county AS T1 JOIN election AS T2 ON T1.County_id = T2.District WHERE T1.Population > 50000;
human
Wonderful! How many unique ones are there?
assistant
SELECT COUNT( DISTINCT T2.Delegate ) FROM county AS T1 JOIN election AS T2 ON T1.County_id = T2.District WHERE T1.Population > 50000 ;