Question: who sang the original song live and let die
[{'answer': 'Paul McCartney', 'provenance': [{'wikipedia_id': '5747670', 'title': 'Live and Let Die (song)', 'start_paragraph_id': 4, 'start_character': 142, 'end_paragraph_id': 4, 'end_character': 156, 'bleu_score': 1.0, 'section': 'Section::::Background and recording.\n'}]}]