Question: who sang you're a mean one mister grinch
[{'answer': 'Thurl Arthur Ravenscroft', 'provenance': [{'wikipedia_id': '383080', 'title': 'Thurl Ravenscroft', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '383080', 'title': 'Thurl Ravenscroft', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 393, 'bleu_score': 0.78333291069302, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1320052108372200970}, 'section': 'Section::::Abstract.'}]}]