Question: who sang let the sideshow begin hurry hurry
[{'answer': 'Blue Magic', 'provenance': [{'wikipedia_id': '8411101', 'title': 'Sideshow (song)', 'start_paragraph_id': 1, 'start_character': 65, 'end_paragraph_id': 1, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]