user: ### NOW ANSWER:
Question: On waht date did Antoinette Jeanne Yvonne Boegner get married?
Columns: ['Name', 'Birth', 'Marriage', 'Became Duke', 'Ceased to be Duke', 'Death', 'Spouse']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Louis de Rohan-Chabot', '3 November 1652', '18 July 1678', "27 February 1655 father's death", '17 August 1727', '17 August 1727', 'Marie Élisabeth du Bec-Crespin de Grimaldi']
SQL:

assistant: SELECT "Marriage" FROM "Table" WHERE "Spouse" = 'Antoinette Jeanne Yvonne Boegner';