Question: when was slavery outlawed in new york state
[{'answer': '1799', 'provenance': [{'wikipedia_id': '13604900', 'title': 'History of slavery in New York', 'start_paragraph_id': 5, 'start_character': 168, 'end_paragraph_id': 5, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13604900', 'title': 'History of slavery in New York', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 465, 'bleu_score': 0.9751504244977051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5922596495393825982}, 'section': 'Section::::Abstract.'}]}]