Question: how many episodes are there of prisoner cell block h
[{'answer': '692 episodes', 'provenance': [{'wikipedia_id': '246714', 'title': 'Prisoner (TV series)', 'start_paragraph_id': 2, 'start_character': 348, 'end_paragraph_id': 2, 'end_character': 360, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]