Question: who sang beauty school dropout in the film grease
[{'answer': 'Frankie Avalon', 'provenance': [{'wikipedia_id': '305500', 'title': 'Frankie Avalon', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '305500', 'title': 'Frankie Avalon', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 116, 'bleu_score': 0.7618274083334161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18364057658773243796}, 'section': 'Section::::Abstract.'}]}]