Who was the winner of the race at barbagallo raceway?
CREATE TABLE table_20884160_1 (winner VARCHAR, circuit VARCHAR)
SELECT winner FROM table_20884160_1 WHERE circuit = "Barbagallo Raceway"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20884160_1 (winner VARCHAR, circuit VARCHAR) Question: Who was the winner of the race at barbagallo raceway? [/INST] SELECT winner FROM table_20884160_1 WHERE circuit = "Barbagallo Raceway" </s>