user: Question: What is the Name of the Ship attacked on 20February1942?
Columns: ['Date', 'Time', 'Name of ship', 'Flag', 'Tonnage', 'Fate']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['16February1942', '08:01', 'Pedernales', 'United Kingdom', 4317.0, 'damaged at']
SQL:

assistant: SELECT "Name of ship" FROM "Table" WHERE "Date" = '20February1942';