Who was the team 2 in the game with a team 1 of Liege Basket?
CREATE TABLE "second_qualifying_round" (
  "team_num1" text,
  "agg" text,
  "team_num2" text,
  "1st_leg" text,
  "2nd_leg" text
);
SELECT "team_num2" FROM "second_qualifying_round" WHERE "team_num1"='liege basket';