What European competitions have a tier of 2 and a position of 3?
CREATE TABLE "season_by_season" (
  "season" text,
  "tier" real,
  "league" text,
  "pos" real,
  "turkish_cup" text,
  "european_competitions" text
);
SELECT "european_competitions" FROM "season_by_season" WHERE "tier"=2 AND "pos"=3;