What district did incumbent Ralph A. Gamble represent?
CREATE TABLE table_1342013_31 (district VARCHAR, incumbent VARCHAR)
SELECT district FROM table_1342013_31 WHERE incumbent = "Ralph A. Gamble"
### Context: CREATE TABLE table_1342013_31 (district VARCHAR, incumbent VARCHAR) ### Question: What district did incumbent Ralph A. Gamble represent? ### Answer: SELECT district FROM table_1342013_31 WHERE incumbent = "Ralph A. Gamble"