Which district did William A. Burwell (Dr) belong to? 
CREATE TABLE table_2668347_22 (district VARCHAR, candidates VARCHAR)
SELECT district FROM table_2668347_22 WHERE candidates = "William A. Burwell (DR)"
### Context: CREATE TABLE table_2668347_22 (district VARCHAR, candidates VARCHAR) ### Question: Which district did William A. Burwell (Dr) belong to?  ### Answer: SELECT district FROM table_2668347_22 WHERE candidates = "William A. Burwell (DR)"