How many districts does john j. douglass represent?
CREATE TABLE table_1342379_20 (district VARCHAR, incumbent VARCHAR)
SELECT COUNT(district) FROM table_1342379_20 WHERE incumbent = "John J. Douglass"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1342379_20 (district VARCHAR, incumbent VARCHAR) Question: How many districts does john j. douglass represent? [/INST] SELECT COUNT(district) FROM table_1342379_20 WHERE incumbent = "John J. Douglass" </s>