Question: who sang i got a brand new key
[{'answer': 'Melanie', 'provenance': [{'wikipedia_id': '7770770', 'title': 'Brand New Key', 'start_paragraph_id': 1, 'start_character': 68, 'end_paragraph_id': 1, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]