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_1342370_42 (first_elected VARCHAR, result VARCHAR, incumbent VARCHAR)
### Question:
How many of the first elected were listed when Hatton W. Sumners was incumbent and re-elected?
### Answer:
SELECT COUNT(first_elected) FROM table_1342370_42 WHERE result = "Re-elected" AND incumbent = "Hatton W. Sumners"