Beam รุ่นใดมีรุ่น 570?ไม่จำเป็นต้องใช้ทุกโต๊ะ
Which Beam has a Model of 570?It is not neccessary to use all the tables.
 table_name_17:  (beam [ VARCHAR ] model [ VARCHAR) ]
SELECT beam FROM table_name_17 WHERE model = "570"