Question: The queen of Castile, Joanna of Castile, married this member of the house of Habsburg who was the son of which monarch?
{'answer': 'Holy Roman Emperor Maximilian I', 'supporting_facts': [['Joanna of Castile', 0], ['Joanna of Castile', 2], ['Philip I of Castile', 0], ['Philip I of Castile', 1]]}