CREATE TABLE table_55071 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When did South Melbourne play as the home team?
SELECT "Date" FROM table_55071 WHERE "Home team" = 'south melbourne'
SELECT "Date" FROM "table_55071" WHERE "Home team" = 'south melbourne'