Question: What team was the opponent when the round was SF?
SQL: SELECT "Opponent" FROM "2-17589865-2" WHERE "Round" = 'SF';

Question: What is the number of people in attendance when venue shows a, and di matteo, m. hughes were the scorers?
SQL: SELECT SUM("Attendance") FROM "2-17589865-2" WHERE "Venue" = 'a' AND "Scorers" = 'di matteo, m. hughes';