user: Question: Who is The Spouse of the Duchess that has a Became Duchess  on 31 October 1733 husband's accession?
Columns: ['Birth', 'Marriage', 'Became Duchess', 'Ceased to be Duchess', 'Death', 'Spouse']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['11 December 1455', '4 June 1474', '21 July 1495 Created Duchess', "24 February 1496 husband's death", '30 May 1503', 'Eberhard I']
SQL:

assistant: SELECT "Spouse" FROM "Table" WHERE "Became Duchess" = '31 October 1733 husband''s accession';