Question: where is niagara falls located in the usa
[{'answer': 'state of New York', 'provenance': [{'wikipedia_id': '52028', 'title': 'Niagara Falls', 'start_paragraph_id': 1, 'start_character': 135, 'end_paragraph_id': 1, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]