who are the writer of the series episode number 170?
CREATE TABLE table_22580855_1 (written_by VARCHAR, series_no VARCHAR)
SELECT written_by FROM table_22580855_1 WHERE series_no = 170
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_22580855_1 (written_by VARCHAR, series_no VARCHAR) Question: who are the writer of the series episode number 170? [/INST] SELECT written_by FROM table_22580855_1 WHERE series_no = 170 </s>