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_21025437_2 (episode_no VARCHAR, written_by VARCHAR)
### Question:
How many episodes were written by Kirstie Falkous & John Regier?
### Answer:
SELECT COUNT(episode_no) FROM table_21025437_2 WHERE written_by = "Kirstie Falkous & John Regier"