Question: where is the church of hagia sophia located
[{'answer': 'Istanbul , Turkey', 'provenance': [{'wikipedia_id': '42764', 'title': 'Hagia Sophia', 'start_paragraph_id': 1, 'start_character': 220, 'end_paragraph_id': 1, 'end_character': 237, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42764', 'title': 'Hagia Sophia', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 567, 'bleu_score': 0.5120714444422331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6429615013769935281}, 'section': 'Section::::Abstract.'}]}]