CREATE TABLE table_56566 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What home team played the away team South Melbourne?
SELECT "Home team" FROM table_56566 WHERE "Away team" = 'south melbourne'
SELECT "Home team" FROM "table_56566" WHERE "Away team" = 'south melbourne'