Question: Otto Eduard Leopold, Prince of Bismarck's titled name, Otto von Bismarck, comes from Bismarck, in what district of Germany?
{'answer': 'Saalekreis', 'supporting_facts': [['Wettin, Saxony-Anhalt', 0], ['Wettin, Saxony-Anhalt', 3], ['Otto von Bismarck', 0]]}