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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1341423_22 (district VARCHAR, incumbent VARCHAR) Question: How many districts have Bart Stupak as the incumbent? [/INST] SELECT COUNT(district) FROM table_1341423_22 WHERE incumbent = "Bart Stupak" </s>