Black Milk คะแนนสูงสุดคือเท่าไร?ไม่จำเป็นต้องใช้ทุกโต๊ะ
What is the highest score for Black Milk?It is not neccessary to use all the tables.
 table_name_29:  (average_score [ INTEGER ] artist [ VARCHAR) ]
SELECT MAX(average_score) FROM table_name_29 WHERE artist = "black milk"