How many episodes were written by Warren Leight?
CREATE TABLE table_29154676_1 (season_no VARCHAR, written_by VARCHAR)
SELECT COUNT(season_no) FROM table_29154676_1 WHERE written_by = "Warren Leight"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29154676_1 (season_no VARCHAR, written_by VARCHAR) Question: How many episodes were written by Warren Leight? [/INST] SELECT COUNT(season_no) FROM table_29154676_1 WHERE written_by = "Warren Leight" </s>