How many writers write the episode whose director is Jonathan Herron?
CREATE TABLE table_22580855_1 (written_by VARCHAR, directed_by VARCHAR)
SELECT COUNT(written_by) FROM table_22580855_1 WHERE directed_by = "Jonathan Herron"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_22580855_1 (written_by VARCHAR, directed_by VARCHAR) Question: How many writers write the episode whose director is Jonathan Herron? [/INST] SELECT COUNT(written_by) FROM table_22580855_1 WHERE directed_by = "Jonathan Herron" </s>