Question: This American guitarist best known for her work with the Iron Maidens is an ancestor of a composer who was known as what?
{'answer': 'The Waltz King', 'supporting_facts': [['Nita Strauss', 0], ['Nita Strauss', 1], ['Nita Strauss', 4], ['Johann Strauss II', 0], ['Johann Strauss II', 2]]}