Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_29154676_1 (season_no VARCHAR, written_by VARCHAR)
### Question:
How many episodes were written by Warren Leight?
### Answer:
SELECT COUNT(season_no) FROM table_29154676_1 WHERE written_by = "Warren Leight"