ใครคือผู้ชนะในสนามแข่งรถ Winton Motor Raceway?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who was the winner for the Winton Motor Raceway circuit?It is not neccessary to use all the tables.
 table_name_51:  (winner [ VARCHAR ] circuit [ VARCHAR) ]
SELECT winner FROM table_name_51 WHERE circuit = "winton motor raceway"