Question: how many members of the mormon tabernacle choir
[{'answer': '360', 'provenance': [{'wikipedia_id': '102562', 'title': 'Mormon Tabernacle Choir', 'start_paragraph_id': 1, 'start_character': 143, 'end_paragraph_id': 1, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]