Question: when did f w woolworth go out of business
[{'answer': 'July 1997', 'provenance': [{'wikipedia_id': '190950', 'title': 'F. W. Woolworth Company', 'start_paragraph_id': 3, 'start_character': 389, 'end_paragraph_id': 3, 'end_character': 398, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '190950', 'title': 'F. W. Woolworth Company', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 695, 'bleu_score': 0.965062110514546, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5602611015809873473}, 'section': 'Section::::Abstract.'}]}]