Question: who sang last night by the traveling wilburys
[{'answer': 'Petty', 'provenance': [{'wikipedia_id': '1633386', 'title': 'Traveling Wilburys Vol. 1', 'start_paragraph_id': 1, 'start_character': 182, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Orbison', 'provenance': [{'wikipedia_id': '1633386', 'title': 'Traveling Wilburys Vol. 1', 'start_paragraph_id': 1, 'start_character': 166, 'end_paragraph_id': 1, 'end_character': 173, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]