ผู้เล่นคนไหนทำ 4 ทัชดาวน์ขณะเล่นกองหลังซ้าย?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Which player made 4 touchdowns while playing left halfback?It is not neccessary to use all the tables.
 table_1018:  "Player" [ text]  "Position" [ text]  "Starter" [ text]  "Touchdowns" [ real]  "Points" [ real] 
SELECT "Player" FROM table_1018 WHERE "Touchdowns" = '4' AND "Position" = 'Left halfback'