How many results for incumbent Noble Jones Gregory?
CREATE TABLE table_1342198_17 (district VARCHAR, incumbent VARCHAR)
SELECT COUNT(district) FROM table_1342198_17 WHERE incumbent = "Noble Jones Gregory"
### Context: CREATE TABLE table_1342198_17 (district VARCHAR, incumbent VARCHAR) ### Question: How many results for incumbent Noble Jones Gregory? ### Answer: SELECT COUNT(district) FROM table_1342198_17 WHERE incumbent = "Noble Jones Gregory"