WHAT IS THE LKF CUP WITH euroleague group stage AND bbl elite division finalist?
CREATE TABLE "season_by_season" (
  "season" text,
  "lkf_cup" text,
  "regional_competitions" text,
  "europe" text,
  "head_coach" text
);
SELECT "lkf_cup" FROM "season_by_season" WHERE "europe"='euroleague group stage' AND "regional_competitions"='bbl elite division finalist';