มีตำแหน่งแท็คเกิ้ลฝ่ายรุกกี่รอบ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many rounds were there an offensive tackle position?It is not neccessary to use all the tables.
 table_name_66:  (round [ VARCHAR ] position [ VARCHAR) ]
SELECT COUNT(round) FROM table_name_66 WHERE position = "offensive tackle"