Kenneth E. Herbert ขี่รถอะไร?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What machine did Kenneth E. Herbert ride?It is not neccessary to use all the tables.
 table_name_2:  (machine [ VARCHAR ] rider [ VARCHAR) ]
SELECT machine FROM table_name_2 WHERE rider = "kenneth e. herbert"