Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_21 (date VARCHAR, circuit VARCHAR)
### Question:
What's the date of the circuit Winton Motor Raceway?
### Answer:
SELECT date FROM table_name_21 WHERE circuit = "winton motor raceway"