This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lower limb, Subject name: Anatomy
[{'content': 'Third tubercle of femur provides attachment to \nSelect and explain. \nA. Gluteus maximus, B. Gluteus medius, C. Gluteus minimis, D. Piriformis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The gluteal tuberosity gives attachment to pa of the Gluteus maximus: its upper pa is often elongated into a roughened crest, on which a more or less well-marked, rounded tubercle, the third trochanter, is occasionally developed. ref - Bdc vol2 6th ediiton p13', 'role': 'assistant'}]