Question: Which battle did Friedrich Bertram Sixt von Armin participate in from July to November 1917?
{'answer': 'Battle of Passchendaele', 'supporting_facts': [['Friedrich Sixt von Armin', 0], ['Friedrich Sixt von Armin', 1], ['Battle of Passchendaele', 0], ['Battle of Passchendaele', 1]]}