Player จาก McGill คืออะไร? ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the Player from McGill?It is not neccessary to use all the tables.
 table_name_30:  (player [ VARCHAR ] school_club_team [ VARCHAR) ]
SELECT player FROM table_name_30 WHERE school_club_team = "mcgill"