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

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