Question: how many episodes in season 3 of chicago pd
[{'answer': '23', 'provenance': [{'wikipedia_id': '46380030', 'title': 'Chicago P.D. (season 3)', 'start_paragraph_id': 1, 'start_character': 259, 'end_paragraph_id': 1, 'end_character': 261, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]