Question: who sang most beautiful girl in the world
[{'answer': 'Charlie Rich', 'provenance': [{'wikipedia_id': '13014379', 'title': 'The Most Beautiful Girl', 'start_paragraph_id': 1, 'start_character': 48, 'end_paragraph_id': 1, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13014379', 'title': 'The Most Beautiful Girl', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 524, 'bleu_score': 0.8816568323146331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9358691885415601421}, 'section': 'Section::::Abstract.'}]}]