Question: where is the sirloin located on a cow
[{'answer': 'the rear back portion'}, {'provenance': [{'wikipedia_id': '1190591', 'title': 'Sirloin steak', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 432, 'bleu_score': 0.7562660307702621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2427660881631408425}, 'section': 'Section::::Abstract.'}]}]