Question: who sang lifes been good to me so far
[{'answer': 'Joe Walsh', 'provenance': [{'wikipedia_id': '1926500', 'title': "Life's Been Good", 'start_paragraph_id': 1, 'start_character': 32, 'end_paragraph_id': 1, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1926500', 'title': "Life's Been Good", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 308, 'bleu_score': 0.874260849023038, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15609521263922264426}, 'section': 'Section::::Abstract.'}]}]