ชัยชนะของ PGA Championship คืออะไร?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What is the margin of victory for PGA Championship?It is not neccessary to use all the tables.
 table_name_25:  (margin_of_victory [ VARCHAR ] tournament [ VARCHAR) ]
SELECT margin_of_victory FROM table_name_25 WHERE tournament = "pga championship"