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"
### Context: CREATE TABLE table_26336739_1 (party VARCHAR, incumbent VARCHAR) ### Question: how many party classifications are there for the incumbent Mac Collins?  ### Answer: SELECT COUNT(party) FROM table_26336739_1 WHERE incumbent = "Mac Collins"