user: Question: When were ships laid down that were commissioned on October 29, 1965?
Columns: ['#', 'Shipyard', 'Laid down', 'Launched', 'Commissioned', 'Fleet', 'Status']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['K-166', 'SEVMASH, Severodvinsk', 'May 30, 1961', 'September 6, 1962', 'October 31, 1963', 'Northern', 'Decommissioned 1989 for scrapping']
SQL:

assistant: SELECT "Laid down" FROM "Table" WHERE "Commissioned" = 'October 29, 1965';