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
What are the names of the people who have been on the affirmative side of debates?
assistant
SELECT T2.Name FROM debate_people AS T1 JOIN people AS T2 ON T1.Affirmative = T2.People_ID GROUP BY T2.Name ;