How many districts have Bart Stupak as the incumbent?
CREATE TABLE table_1341423_22 (district VARCHAR, incumbent VARCHAR)
SELECT COUNT(district) FROM table_1341423_22 WHERE incumbent = "Bart Stupak"
### Context: CREATE TABLE table_1341423_22 (district VARCHAR, incumbent VARCHAR) ### Question: How many districts have Bart Stupak as the incumbent? ### Answer: SELECT COUNT(district) FROM table_1341423_22 WHERE incumbent = "Bart Stupak"