Question: who did the voice for the crypt keeper
[{'answer': 'John Kassir', 'provenance': [{'wikipedia_id': '23541934', 'title': 'John Kassir', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23541934', 'title': 'John Kassir', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1257, 'bleu_score': 0.8111099591805591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12699120098188356933}, 'section': 'Section::::Abstract.'}]}]