Question: who was known as the mad king of france
[{'answer': 'Charles VI', 'provenance': [{'wikipedia_id': '77413', 'title': 'Charles VI of France', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '77413', 'title': 'Charles VI of France', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 152, 'bleu_score': 0.511044881234057, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10883910224783860542}, 'section': 'Section::::Abstract.'}]}]