CREATE TABLE table_4733 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What away team played when the home team was south melbourne?
SELECT "Away team" FROM table_4733 WHERE "Home team" = 'south melbourne'
SELECT "Away team" FROM "table_4733" WHERE "Home team" = 'south melbourne'