William A. Burwell (Dr) อยู่ในเขตใด?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Which district did William A. Burwell (Dr) belong to?It is not neccessary to use all the tables.
 table_2668347_22:  (district [ VARCHAR ] candidates [ VARCHAR) ]
SELECT district FROM table_2668347_22 WHERE candidates = "William A. Burwell (DR)"