Gauge of Builder Beyer Peacock คืออะไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the Gauge of Builder Beyer Peacock?It is not neccessary to use all the tables.
 table_name_9:  (gauge [ VARCHAR ] builder [ VARCHAR) ]
SELECT gauge FROM table_name_9 WHERE builder = "beyer, peacock"