Question: what is the largest protestant church in america
[{'answer': 'Southern Baptist Convention', 'provenance': [{'wikipedia_id': '28701531', 'title': 'Protestantism in the United States', 'start_paragraph_id': 1, 'start_character': 424, 'end_paragraph_id': 1, 'end_character': 451, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28701531', 'title': 'Protestantism in the United States', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 557, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6839944075036352519}, 'section': 'Section::::Abstract.'}]}]