CREATE TABLE "league_cup" (
  "round" text,
  "date" text,
  "opponent" text,
  "venue" text,
  "result" text,
  "attendance" real,
  "goalscorers" text
);

Question: Which venue has attendance larger than 26,526, and sf first leg round?
SQL: SELECT "venue" FROM "league_cup" WHERE "attendance">'26,526' AND "round"='sf first leg';

Question: Which result has sunderland as opponent?
SQL: SELECT "result" FROM "league_cup" WHERE "opponent"='sunderland';