How many districts have the incumbent, Charles Rangel? 
CREATE TABLE table_1805191_33 (district VARCHAR, incumbent VARCHAR)
SELECT COUNT(district) FROM table_1805191_33 WHERE incumbent = "Charles Rangel"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1805191_33 (district VARCHAR, incumbent VARCHAR) Question: How many districts have the incumbent, Charles Rangel?  [/INST] SELECT COUNT(district) FROM table_1805191_33 WHERE incumbent = "Charles Rangel" </s>