CREATE TABLE table_56030 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

On what date did Melbourne play as the home team?
SELECT "Date" FROM table_56030 WHERE "Home team" = 'melbourne'
SELECT "Date" FROM "table_56030" WHERE "Home team" = 'melbourne'