user: Question: What year was the USS Cambridge laid down?
Columns: ['Hull Number', 'Name', 'Builder', 'Laid down', 'Launched', 'Completed']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['CA 122', 'USSOregon City', 'Bethlehem Steel', '8 April 1944', '9 June 1945', '16 February 1946']
SQL:

assistant: SELECT "Laid down" FROM "Table" WHERE "Name" = 'USS Cambridge';