Nick Jonas แสดงกี่ตอน?ไม่จำเป็นต้องใช้ตารางทั้งหมด
How many episodes were portrayed by Nick Jonas?It is not neccessary to use all the tables.
 table_name_81:  (_number_of_episodes [ VARCHAR ] portrayed_by [ VARCHAR) ]
SELECT COUNT(_number_of_episodes) FROM table_name_81 WHERE portrayed_by = "nick jonas"