Question: who sang the original greatest love of all
[{'answer': 'George Benson', 'provenance': [{'wikipedia_id': '36001084', 'title': 'The Greatest Love of All', 'start_paragraph_id': 1, 'start_character': 165, 'end_paragraph_id': 1, 'end_character': 178, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36001084', 'title': 'The Greatest Love of All', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 768, 'bleu_score': 0.776026912247131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7451412754288154085}, 'section': 'Section::::Abstract.'}]}]