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_20884160_1 (winner VARCHAR, circuit VARCHAR)
### Question:
Who was the winner of the race at barbagallo raceway?
### Answer:
SELECT winner FROM table_20884160_1 WHERE circuit = "Barbagallo Raceway"