How many directors worked on #158?
CREATE TABLE table_25800134_4 (director VARCHAR, series__number VARCHAR)
SELECT COUNT(director) FROM table_25800134_4 WHERE series__number = 158
### Context: CREATE TABLE table_25800134_4 (director VARCHAR, series__number VARCHAR) ### Question: How many directors worked on #158? ### Answer: SELECT COUNT(director) FROM table_25800134_4 WHERE series__number = 158