CREATE TABLE table_52504 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

On what date was a match played at Lake Oval?
SELECT "Date" FROM table_52504 WHERE "Venue" = 'lake oval'
SELECT "Date" FROM "table_52504" WHERE "Venue" = 'lake oval'