Question: the last bone of the spinal column is the
[{'answer': 'Coccyx', 'provenance': [{'wikipedia_id': '33607453', 'title': 'Vertebral column', 'start_paragraph_id': 4, 'start_character': 242, 'end_paragraph_id': 4, 'end_character': 248, 'bleu_score': 1.0, 'section': 'Section::::Structure.\n'}]}]