Question: who turned the hagia sophia into a mosque
[{'answer': 'Mehmed II', 'provenance': [{'wikipedia_id': '42764', 'title': 'Hagia Sophia', 'start_paragraph_id': 30, 'start_character': 219, 'end_paragraph_id': 30, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::History.:Mosque (1453–1935).\n'}]}, {'provenance': [{'wikipedia_id': '42764', 'title': 'Hagia Sophia', 'start_paragraph_id': 30, 'start_character': 0, 'end_paragraph_id': 30, 'end_character': 822, 'bleu_score': 0.985764216565234, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15720764949157776872}, 'section': 'Section::::History.:Mosque (1453–1935).\n'}]}]