ใครเป็นผู้ชนะการแข่งขันที่สนามแข่ง Barbagallo?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who was the winner of the race at barbagallo raceway?It is not neccessary to use all the tables.
 table_23989:  "Rd." [ real]  "Circuit" [ text]  "Location" [ text]  "Date" [ text]  "Format" [ text]  "Winner" [ text]  "Team" [ text]  "Report" [ text] 
SELECT "Winner" FROM table_23989 WHERE "Circuit" = 'Barbagallo Raceway'