ใครชนะที่สนามแข่งรถ Oran Park?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who won at the Oran Park Raceway?It is not neccessary to use all the tables.
 table_name_17:  (winner [ VARCHAR ] circuit [ VARCHAR) ]
SELECT winner FROM table_name_17 WHERE circuit = "oran park raceway"