CREATE TABLE election (election_id NUMBER, representative_id NUMBER, date CLOB, votes NUMBER, vote_percent NUMBER, seats NUMBER, place NUMBER)
CREATE TABLE representative (representative_id NUMBER, name CLOB, state CLOB, party CLOB, lifespan CLOB)

What parties have at least three representatives?
SELECT party FROM representative GROUP BY party HAVING COUNT(*) >= 3
SELECT "party" FROM "representative" GROUP BY "party" HAVING COUNT(*) >= 3