CREATE TABLE "european_history" (
  "round" text,
  "club" text,
  "home" text,
  "away" text,
  "aggregate" text
);

Question: Which club had round of group stage round 1 and 5?
SQL: SELECT "club" FROM "european_history" WHERE "round"='group stage round 1 and 5';

Question: What is the aggregate for the first round for K.S.V. Waregem?
SQL: SELECT "aggregate" FROM "european_history" WHERE "round"='first round' AND "club"='k.s.v. waregem';

Question: What is the away where the round is the second round?
SQL: SELECT "away" FROM "european_history" WHERE "round"='second round';