CREATE TABLE table_74720 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Where did the away team score 8.9 (57)?
SELECT "Venue" FROM table_74720 WHERE "Away team score" = '8.9 (57)'
SELECT "Venue" FROM "table_74720" WHERE "Away team score" = '8.9 (57)'