Question: what is the largest religious denomination in the united states
[{'answer': 'The Catholic Church', 'provenance': [{'wikipedia_id': '532793', 'title': 'Religion in the United States', 'start_paragraph_id': 20, 'start_character': 12, 'end_paragraph_id': 20, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abrahamic religions.:Christianity.\n'}]}]