CREATE TABLE table_name_9 (winner VARCHAR2, team VARCHAR2, circuit VARCHAR2)

Who was the winner for Peter Jackson Racing at Mallala Motor Sport Park?
SELECT winner FROM table_name_9 WHERE team = "peter jackson racing" AND circuit = "mallala motor sport park"
SELECT "winner" FROM "table_name_9" WHERE "circuit" = "mallala motor sport park" AND "peter jackson racing" = "team"