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

### Instruction:
When did the person born on 3 May 1446 cease to be countess?

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

### Response:
SELECT Ceased to be Countess FROM table WHERE Birth = 3 may 1446