human
Schema:
people (People_ID, District, Name, Party, Age)
debate (Debate_ID, Date, Venue, Num_of_Audience)
debate_people (Debate_ID, Affirmative, Negative, If_Affirmative_Win)
Please answer with SQL.
assistant
Sure, I understand.
human
Could you please tell me the names of the people that have not been on the affirmative side of all debates?
assistant
SELECT Name FROM people WHERE People_id NOT IN ( SELECT Affirmative FROM debate_people ) ;