Question: what are the names of the blues brothers
[{'answer': 'Elwood Blues', 'provenance': [{'wikipedia_id': '100927', 'title': 'The Blues Brothers', 'start_paragraph_id': 1, 'start_character': 315, 'end_paragraph_id': 1, 'end_character': 327, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': "`` Joliet '' Jake Blues"}, {'provenance': [{'wikipedia_id': '100927', 'title': 'The Blues Brothers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 541, 'bleu_score': 0.7070345093393421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13449258145323567338}, 'section': 'Section::::Abstract.'}]}]