WHAT SEASON HAD COACH JONAS KAZLAUSKAS AT champions cup group stage?
CREATE TABLE "season_by_season" (
  "season" text,
  "lkf_cup" text,
  "regional_competitions" text,
  "europe" text,
  "head_coach" text
);
SELECT "season" FROM "season_by_season" WHERE "head_coach"='jonas kazlauskas' AND "europe"='champions cup group stage';