CREATE TABLE table_4871 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the away team that features a home team of south melbourne?
SELECT "Away team score" FROM table_4871 WHERE "Home team" = 'south melbourne'
SELECT "Away team score" FROM "table_4871" WHERE "Home team" = 'south melbourne'