Question: when did slavery end in new york state
[{'answer': 'July 4 , 1827', 'provenance': [{'wikipedia_id': '13604900', 'title': 'History of slavery in New York', 'start_paragraph_id': 37, 'start_character': 378, 'end_paragraph_id': 37, 'end_character': 391, 'bleu_score': 1.0, 'section': 'Section::::Abolition and moving forward as citizens.\n'}]}, {'provenance': [{'wikipedia_id': '13604900', 'title': 'History of slavery in New York', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 422, 'bleu_score': 0.815088177827309, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 280194671311052262}, 'section': 'Section::::Abstract.'}]}]