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_1342270_17 (candidates VARCHAR, incumbent VARCHAR)
### Question:
Who were the candidates when Noble Jones Gregory was incumbent?
### Answer:
SELECT candidates FROM table_1342270_17 WHERE incumbent = "Noble Jones Gregory"