When was the season that had more teams larger than 14 in the super rugby league?
CREATE TABLE "outdoor_sports" (
  "league" text,
  "sport" text,
  "season" text,
  "num_of_teams" real,
  "games" real,
  "total_attendance" text,
  "average_attendance" real
);
SELECT "season" FROM "outdoor_sports" WHERE "num_of_teams">14 AND "league"='super rugby';