How many districts does william b. oliver represent?
CREATE TABLE table_1342359_2 (district VARCHAR, incumbent VARCHAR)
SELECT COUNT(district) FROM table_1342359_2 WHERE incumbent = "William B. Oliver"
### Context: CREATE TABLE table_1342359_2 (district VARCHAR, incumbent VARCHAR) ### Question: How many districts does william b. oliver represent? ### Answer: SELECT COUNT(district) FROM table_1342359_2 WHERE incumbent = "William B. Oliver"