Question: who sang it's a wonderful life song
[{'answer': 'Black', 'provenance': [{'wikipedia_id': '9745190', 'title': 'Wonderful Life (Black song)', 'start_paragraph_id': 0, 'start_character': 16, 'end_paragraph_id': 0, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9745190', 'title': 'Wonderful Life (Black song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 376, 'bleu_score': 0.847466417830661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13884438274820359233}, 'section': 'Section::::Abstract.'}]}]