Question: how many ribs are in the human body
[{'answer': '24', 'provenance': [{'wikipedia_id': '57174', 'title': 'Rib cage', 'start_paragraph_id': 1, 'start_character': 415, 'end_paragraph_id': 1, 'end_character': 417, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]