CREATE TABLE table_52619 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How many points did the visiting team score at south melbourne?
SELECT "Away team score" FROM table_52619 WHERE "Home team" = 'south melbourne'
SELECT "Away team score" FROM "table_52619" WHERE "Home team" = 'south melbourne'