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
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25800134_4 (director VARCHAR, series__number VARCHAR) Question: How many directors worked on #158? [/INST] SELECT COUNT(director) FROM table_25800134_4 WHERE series__number = 158 </s>