CREATE TABLE table_74701 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What day is the venue the western oval?
SELECT "Date" FROM table_74701 WHERE "Venue" = 'western oval'
SELECT "Date" FROM "table_74701" WHERE "Venue" = 'western oval'