What is the district with the candidates edwin gray (dr)?
CREATE TABLE table_2668393_18 (district VARCHAR, candidates VARCHAR)
SELECT district FROM table_2668393_18 WHERE candidates = "Edwin Gray (DR)"
### Context: CREATE TABLE table_2668393_18 (district VARCHAR, candidates VARCHAR) ### Question: What is the district with the candidates edwin gray (dr)? ### Answer: SELECT district FROM table_2668393_18 WHERE candidates = "Edwin Gray (DR)"