CREATE TABLE table_51279 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the score for the away team when South Melbourne was the home team?
SELECT "Away team score" FROM table_51279 WHERE "Home team" = 'south melbourne'
SELECT "Away team score" FROM "table_51279" WHERE "Home team" = 'south melbourne'