CREATE TABLE table_33172 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Where did Collingwood play ae the away team?
SELECT "Venue" FROM table_33172 WHERE "Away team" = 'collingwood'
SELECT "Venue" FROM "table_33172" WHERE "Away team" = 'collingwood'