CREATE TABLE people (Name VARCHAR2, People_ID VARCHAR2)
CREATE TABLE debate (Debate_ID VARCHAR2, Num_of_Audience NUMBER)
CREATE TABLE debate_people (Debate_ID VARCHAR2, Affirmative VARCHAR2)

Show the names of people that are on affirmative side of debates with number of audience bigger than 200.
SELECT T3.Name FROM debate_people AS T1 JOIN debate AS T2 ON T1.Debate_ID = T2.Debate_ID JOIN people AS T3 ON T1.Affirmative = T3.People_ID WHERE T2.Num_of_Audience > 200
SELECT "T3"."Name" FROM "debate_people" "T1" JOIN "debate" "T2" ON "T1"."Debate_ID" = "T2"."Debate_ID" AND "T2"."Num_of_Audience" > 200 JOIN "people" "T3" ON "T1"."Affirmative" = "T3"."People_ID"