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

### Instruction:
Which Birth has a Became Duchess of 17 april 1711 husband's ascension?

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

### Response:
SELECT Birth FROM table WHERE Became Duchess = 17 april 1711 husband's ascension