How many parties are there in races involving Dawson Mathis?
CREATE TABLE table_1341663_11 (party VARCHAR, incumbent VARCHAR)
SELECT COUNT(party) FROM table_1341663_11 WHERE incumbent = "Dawson Mathis"
### Context: CREATE TABLE table_1341663_11 (party VARCHAR, incumbent VARCHAR) ### Question: How many parties are there in races involving Dawson Mathis? ### Answer: SELECT COUNT(party) FROM table_1341663_11 WHERE incumbent = "Dawson Mathis"