Question: who wrote the music and lyrics for grease
[{'answer': 'Jim Jacobs and Warren Casey', 'provenance': [{'wikipedia_id': '142898', 'title': 'Grease (musical)', 'start_paragraph_id': 1, 'start_character': 28, 'end_paragraph_id': 1, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '142898', 'title': 'Grease (musical)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1138, 'bleu_score': 0.975009253695653, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2449848988554856416}, 'section': 'Section::::Abstract.'}]}]