how many party classifications are there for the incumbent Mac Collins? 
CREATE TABLE table_26336739_1 (party VARCHAR, incumbent VARCHAR)
SELECT COUNT(party) FROM table_26336739_1 WHERE incumbent = "Mac Collins"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26336739_1 (party VARCHAR, incumbent VARCHAR) Question: how many party classifications are there for the incumbent Mac Collins?  [/INST] SELECT COUNT(party) FROM table_26336739_1 WHERE incumbent = "Mac Collins" </s>