What was the original air date of this episode that was written by Debbie Sarjeant?
CREATE TABLE table_17623902_1 (original_air_date VARCHAR, written_by VARCHAR)
SELECT original_air_date FROM table_17623902_1 WHERE written_by = "Debbie Sarjeant"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT original_air_date FROM table_17623902_1 WHERE written_by = "Debbie Sarjeant" </s>