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_25740548_2 (written_by VARCHAR, production_code VARCHAR)
### Question:
How many episodes with the production code CA106 are there?
### Answer:
SELECT COUNT(written_by) FROM table_25740548_2 WHERE production_code = "CA106"