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_name_93 (launch_date VARCHAR, deorbit_date VARCHAR)
### Question:
When did the ATV that deorbited on 29 september 2008, launch?
### Answer:
SELECT launch_date FROM table_name_93 WHERE deorbit_date = "29 september 2008"