Question: who sings they shoot horses don't they
[{'answer': 'Racing Cars', 'provenance': [{'wikipedia_id': '6450220', 'title': "They Shoot Horses, Don't They?", 'start_paragraph_id': 5, 'start_character': 56, 'end_paragraph_id': 5, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Quickspace', 'provenance': [{'wikipedia_id': '6450220', 'title': "They Shoot Horses, Don't They?", 'start_paragraph_id': 6, 'start_character': 55, 'end_paragraph_id': 6, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]