CREATE TABLE table_51619 ("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 score for South Melbourne?
SELECT "Away team score" FROM table_51619 WHERE "Away team" = 'south melbourne'
SELECT "Away team score" FROM "table_51619" WHERE "Away team" = 'south melbourne'