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

Question: What is the round of the match at venue A with a result of 1-2 on 7 December 2004?
SQL: SELECT "round" FROM "uefa_champions_league" WHERE "venue"='a' AND "result"='1-2' AND "date"='7 december 2004';

Question: Who was the opponent of the match in round sf with a result of 0-0?
SQL: SELECT "opponent" FROM "uefa_champions_league" WHERE "round"='sf' AND "result"='0-0';

Question: Who is the opponent of the match with an attendance larger than 59,000?
SQL: SELECT "opponent" FROM "uefa_champions_league" WHERE "attendance">'59,000';