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_17623902_1 (original_air_date VARCHAR, written_by VARCHAR)
### Question:
What was the original air date of this episode that was written by Debbie Sarjeant?
### Answer:
SELECT original_air_date FROM table_17623902_1 WHERE written_by = "Debbie Sarjeant"