Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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)"