Question: when did the old man died on the show pawn stars
[{'answer': 'June 25 , 2018', 'provenance': [{'wikipedia_id': '36013898', 'title': 'Richard Benjamin Harrison', 'start_paragraph_id': 31, 'start_character': 17, 'end_paragraph_id': 31, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Personal life and death.\n'}]}, {'provenance': [{'wikipedia_id': '36013898', 'title': 'Richard Benjamin Harrison', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 958, 'bleu_score': 0.9884053071617651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7661902777708451418}, 'section': 'Section::::Personal life and death.\n'}]}]