Question: who ruled the holy roman empire in 1509
[{'answer': 'Maximilian I', 'provenance': [{'wikipedia_id': '1064952', 'title': 'List of state leaders in 1509', 'start_paragraph_id': 47, 'start_character': 32, 'end_paragraph_id': 47, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Europe.\n'}]}]