CREATE TABLE table_53580 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

On what date did the game at Windy Hill take place?
SELECT "Date" FROM table_53580 WHERE "Venue" = 'windy hill'
SELECT "Date" FROM "table_53580" WHERE "Venue" = 'windy hill'