What is the least number of candidates running were there when 80 seats were won?
CREATE TABLE "general_election_results" (
  "general_election" real,
  "num_of_candidates" real,
  "num_of_seats_won" real,
  "pct_of_popular_vote" text,
  "result" text
);
SELECT MIN("num_of_candidates") FROM "general_election_results" WHERE "num_of_seats_won"=80;