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

### Instruction:
On waht date did Antoinette Jeanne Yvonne Boegner get married?

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

### Response:
SELECT Marriage FROM table WHERE Spouse = antoinette jeanne yvonne boegner