Question: who sang one is the loneliest number original
[{'answer': 'Harry Nilsson', 'provenance': [{'wikipedia_id': '20319297', 'title': 'One (Harry Nilsson song)', 'start_paragraph_id': 0, 'start_character': 5, 'end_paragraph_id': 0, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]