user: Question: Who had a Disputed marriage?
Columns: ['Name', 'Birth', 'Marriage', 'Became Consort', 'Ceased to be Consort', 'Spouse']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Amalia of Oldenburg', '21 December 1818', '22 November 1836', "23 October 1862 husband's desposition", "26 July 1867 husband's death", 'Otto']
SQL:

assistant: SELECT "Name" FROM "Table" WHERE "Marriage" = 'Disputed';