user: Question: When did the ATV that deorbited on 29 September 2008, launch?
Columns: ['Designation', 'Name', 'Launch date', 'ISS docking date', 'Deorbit date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['ATV-001', 'Jules Verne', '9 March 2008', '3 April 2008', '29 September 2008']
SQL:

assistant: SELECT "Launch date" FROM "Table" WHERE "Deorbit date" = '29 September 2008';