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"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What district did incumbent Ralph A. Gamble represent? ### Input: CREATE TABLE table_1342013_31 (
    district VARCHAR,
    incumbent VARCHAR
) ### Response: SELECT district FROM table_1342013_31 WHERE incumbent = "Ralph A. Gamble"