Question: who wrote the letters to the 7 churches
[{'answer': 'John of Patmos', 'provenance': [{'wikipedia_id': '242451', 'title': 'Seven churches of Asia', 'start_paragraph_id': 3, 'start_character': 84, 'end_paragraph_id': 3, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Description.\n'}]}, {'provenance': [{'wikipedia_id': '242451', 'title': 'Seven churches of Asia', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 282, 'bleu_score': 0.8391913106748331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3691053542533106895}, 'section': 'Section::::Description.\n'}]}]