Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Which Livery has a Description of 20t tanker, with a date later than 1941?

### Inputs:
table_name: table, columns: ['Number & name', 'Description', 'Current status', 'Livery', 'Date']

### Response:
SELECT Livery FROM table WHERE Description = 20t tanker AND Date > 1941