Which League Cup that has a Total of 19 and a League smaller than 15?
CREATE TABLE "topscorers_in_order_of_league_goals" (
  "player" text,
  "club" text,
  "league" real,
  "fa_cup" real,
  "fa_trophy" real,
  "league_cup" real,
  "total" real
);
SELECT AVG("league_cup") FROM "topscorers_in_order_of_league_goals" WHERE "total"=19 AND "league"<15;