Name the total number of episodes written by david cantor
CREATE TABLE table_17641206_6 (episode VARCHAR, written_by VARCHAR)
SELECT COUNT(episode) FROM table_17641206_6 WHERE written_by = "David Cantor"
### Context: CREATE TABLE table_17641206_6 (episode VARCHAR, written_by VARCHAR) ### Question: Name the total number of episodes written by david cantor ### Answer: SELECT COUNT(episode) FROM table_17641206_6 WHERE written_by = "David Cantor"