Who wrote the episode that David Tucker directed?
CREATE TABLE table_15026994_3 (writer VARCHAR, director VARCHAR)
SELECT COUNT(writer) FROM table_15026994_3 WHERE director = "David Tucker"
### Context: CREATE TABLE table_15026994_3 (writer VARCHAR, director VARCHAR) ### Question: Who wrote the episode that David Tucker directed? ### Answer: SELECT COUNT(writer) FROM table_15026994_3 WHERE director = "David Tucker"