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_1346137_4 (candidates VARCHAR, incumbent VARCHAR)
### Question:
How many different set of candidates were there when the incumbent was david e. finley?
### Answer:
SELECT COUNT(candidates) FROM table_1346137_4 WHERE incumbent = "David E. Finley"