Question: how many episodes are in season 5 of wentworth prison
[{'answer': '12', 'provenance': [{'wikipedia_id': '53323360', 'title': 'Wentworth (season 5)', 'start_paragraph_id': 1, 'start_character': 274, 'end_paragraph_id': 1, 'end_character': 276, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]