Question: when did wagner ware go out of business
[{'answer': 'still manufactured today', 'provenance': [{'wikipedia_id': '44118520', 'title': 'Wagner Manufacturing Company', 'start_paragraph_id': 1, 'start_character': 471, 'end_paragraph_id': 1, 'end_character': 495, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44118520', 'title': 'Wagner Manufacturing Company', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 540, 'bleu_score': 0.977397480575333, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 68526252408300939}, 'section': 'Section::::Abstract.'}]}]