Question: who was pope when the sistine chapel was painted
[{'answer': 'Pope Julius II', 'provenance': [{'wikipedia_id': '734692', 'title': 'Sistine Chapel ceiling', 'start_paragraph_id': 1, 'start_character': 323, 'end_paragraph_id': 1, 'end_character': 337, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '734692', 'title': 'Sistine Chapel ceiling', 'start_paragraph_id': 1, 'start_character': 123, 'end_paragraph_id': 1, 'end_character': 419, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10253741834640561952}, 'section': 'Section::::Abstract.'}]}]