Melvin Johnson เล่นรอบต่ำสุดคือเท่าไร?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What was the lowest round that Melvin Johnson played?It is not neccessary to use all the tables.
 table_name_99:  round [ INTEGER]  player [ VARCHAR] 
SELECT MIN(round) FROM table_name_99 WHERE player = "melvin johnson"