Question: who sang could you be the most beautiful girl in the world
[{'answer': 'Prince', 'provenance': [{'wikipedia_id': '2598543', 'title': 'The Most Beautiful Girl in the World (Prince song)', 'start_paragraph_id': 0, 'start_character': 38, 'end_paragraph_id': 0, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2598543', 'title': 'The Most Beautiful Girl in the World (Prince song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 739, 'bleu_score': 0.984062469849008, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17122402810641079769}, 'section': 'Section::::Abstract.'}]}]