CREATE TABLE table_56145 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

I want to know the date for western oval venue
SELECT "Date" FROM table_56145 WHERE "Venue" = 'western oval'
SELECT "Date" FROM "table_56145" WHERE "Venue" = 'western oval'