QB ใดมีคะแนน 72.3?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Which QB had a rating of 72.3?It is not neccessary to use all the tables.
 table_19418696_3:  (name [ VARCHAR ] qb_rating [ VARCHAR) ]
SELECT name FROM table_19418696_3 WHERE qb_rating = "72.3"