Question: when did smith and wesson change their name
[{'answer': 'February 15 , 2002', 'provenance': [{'wikipedia_id': '189723', 'title': 'Smith & Wesson', 'start_paragraph_id': 25, 'start_character': 3, 'end_paragraph_id': 25, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::History.:Acquisition.\n'}]}, {'provenance': [{'wikipedia_id': '189723', 'title': 'Smith & Wesson', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 107, 'bleu_score': 0.8914703664390791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15659188580728031613}, 'section': 'Section::::History.:Acquisition.\n'}]}]