Question: how many episodes of schitts creek in season 4
[{'answer': '12', 'provenance': [{'wikipedia_id': '47962694', 'title': "List of Schitt's Creek episodes", 'start_paragraph_id': 1, 'start_character': 213, 'end_paragraph_id': 1, 'end_character': 215, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]