Question: when did kb toys go out of business
[{'answer': '2009', 'provenance': [{'wikipedia_id': '3434274', 'title': 'KB Toys', 'start_paragraph_id': 2, 'start_character': 201, 'end_paragraph_id': 2, 'end_character': 205, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]