Question: who wrote the greatest love of all whitney houston
[{'answer': 'Michael Masser', 'provenance': [{'wikipedia_id': '36001084', 'title': 'The Greatest Love of All', 'start_paragraph_id': 1, 'start_character': 48, 'end_paragraph_id': 1, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Linda Creed', 'provenance': [{'wikipedia_id': '36001084', 'title': 'The Greatest Love of All', 'start_paragraph_id': 1, 'start_character': 92, 'end_paragraph_id': 1, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]