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

### Instruction:
When did the woman, who was married 22 may 1657, cease to be the duchess?

### Inputs:
table_name: table, columns: ['Name', 'Father', 'Birth', 'Marriage', 'Became Duchess', 'Ceased to be Duchess', 'Death', 'Spouse']

### Response:
SELECT Ceased to be Duchess FROM table WHERE Marriage = 22 may 1657