Question: when did big black die from rob and big
[{'answer': 'May 9 , 2017', 'provenance': [{'wikipedia_id': '8259246', 'title': 'Christopher Boykin', 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 63, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8259246', 'title': 'Christopher Boykin', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 272, 'bleu_score': 0.8953711787948611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17442294015612841105}, 'section': 'Section::::Abstract.'}]}]