Question: who does the voice of oscar the grouch
[{'answer': 'Caroll Spinney', 'provenance': [{'wikipedia_id': '71849', 'title': 'Oscar the Grouch', 'start_paragraph_id': 1, 'start_character': 443, 'end_paragraph_id': 1, 'end_character': 457, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '71849', 'title': 'Oscar the Grouch', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 588, 'bleu_score': 0.656987318580161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6312359961620367666}, 'section': 'Section::::Abstract.'}]}]