Question: who sang the original version of earth angel
[{'answer': 'the Penguins', 'provenance': [{'wikipedia_id': '762085', 'title': 'Earth Angel', 'start_paragraph_id': 1, 'start_character': 113, 'end_paragraph_id': 1, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '762085', 'title': 'Earth Angel', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 567, 'bleu_score': 0.979896933041101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4915704356455752627}, 'section': 'Section::::Abstract.'}]}]