Question: who is mr burns grovelling assistant in the simpsons
[{'answer': 'Waylon Smithers', 'provenance': [{'wikipedia_id': '217365', 'title': 'Mr. Burns', 'start_paragraph_id': 1, 'start_character': 340, 'end_paragraph_id': 1, 'end_character': 355, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '217365', 'title': 'Mr. Burns', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 427, 'bleu_score': 0.6355373768171041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7445063140324823666}, 'section': 'Section::::Abstract.'}]}]