CREATE TABLE table_4775 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

The venue of Brunswick Street Oval was used on what date?
SELECT "Date" FROM table_4775 WHERE "Venue" = 'brunswick street oval'
SELECT "Date" FROM "table_4775" WHERE "Venue" = 'brunswick street oval'