Question: what is the current membership of the nra
[{'answer': '5 million', 'provenance': [{'wikipedia_id': '70101', 'title': 'National Rifle Association', 'start_paragraph_id': 2, 'start_character': 236, 'end_paragraph_id': 2, 'end_character': 245, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]