Question: when did bill knapps go out of business
[{'answer': 'By the end of 2002', 'provenance': [{'wikipedia_id': '7642083', 'title': "Bill Knapp's", 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Downfall.\n'}]}, {'provenance': [{'wikipedia_id': '7642083', 'title': "Bill Knapp's", 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 58, 'bleu_score': 0.8385766789076251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8359555830822062287}, 'section': 'Section::::Downfall.\n'}]}]