Ross Brown เขียนกี่ตอน?ไม่จำเป็นต้องใช้ตารางทั้งหมด
How many episodes were written by Ross brown?It is not neccessary to use all the tables.
 table_2468961_2:  (no_in_series [ VARCHAR ] written_by [ VARCHAR) ]
SELECT COUNT(no_in_series) FROM table_2468961_2 WHERE written_by = "Ross Brown"