Question: name the bones that form the leg or lower limb
[{'answer': 'Femur', 'provenance': [{'wikipedia_id': '13659135', 'title': 'Leg bone', 'start_paragraph_id': 2, 'start_character': 12, 'end_paragraph_id': 2, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Patella', 'provenance': [{'wikipedia_id': '13659135', 'title': 'Leg bone', 'start_paragraph_id': 3, 'start_character': 12, 'end_paragraph_id': 3, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tibia', 'provenance': [{'wikipedia_id': '13659135', 'title': 'Leg bone', 'start_paragraph_id': 4, 'start_character': 12, 'end_paragraph_id': 4, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Fibula', 'provenance': [{'wikipedia_id': '13659135', 'title': 'Leg bone', 'start_paragraph_id': 5, 'start_character': 12, 'end_paragraph_id': 5, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]