Joe Waggonner อยู่ในเขตใด?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What district did Joe Waggonner belong to?It is not neccessary to use all the tables.
 table_1341738_19:  (district [ VARCHAR ] incumbent [ VARCHAR) ]
SELECT district FROM table_1341738_19 WHERE incumbent = "Joe Waggonner"