Question: what beatles album is named after a firearm
[{'answer': 'Revolver', 'provenance': [{'wikipedia_id': '74983', 'title': 'Revolver (Beatles album)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '74983', 'title': 'Revolver (Beatles album)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 697, 'bleu_score': 0.9698117965004671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14744965014216035200}, 'section': 'Section::::Abstract.'}]}]