How many season numbers are there for the episodes written by Art Everett?
CREATE TABLE table_2226817_6 (no_in_season VARCHAR, written_by VARCHAR)
SELECT COUNT(no_in_season) FROM table_2226817_6 WHERE written_by = "Art Everett"
### Context: CREATE TABLE table_2226817_6 (no_in_season VARCHAR, written_by VARCHAR) ### Question: How many season numbers are there for the episodes written by Art Everett? ### Answer: SELECT COUNT(no_in_season) FROM table_2226817_6 WHERE written_by = "Art Everett"