SELECT "Date" FROM table_56832 WHERE "Home team score" = '3.15 (33)'
If the Home team had a score of 3.15 (33), what was the Date of the game played?
CREATE TABLE table_56832 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
)