Question: who sang the song don't bring me down
[{'answer': 'Electric Light Orchestra', 'provenance': [{'wikipedia_id': '6654945', 'title': "Don't Bring Me Down", 'start_paragraph_id': 1, 'start_character': 80, 'end_paragraph_id': 1, 'end_character': 104, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6654945', 'title': "Don't Bring Me Down", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 192, 'bleu_score': 0.9451524926983921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7721892988353341342}, 'section': 'Section::::Abstract.'}]}]