CREATE TABLE table_57498 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the name of the away team who play Collingwood?
SELECT "Away team" FROM table_57498 WHERE "Home team" = 'collingwood'
SELECT "Away team" FROM "table_57498" WHERE "Home team" = 'collingwood'