Question: how many episodes in the frankenstein chronicles season 2
[{'answer': '6', 'provenance': [{'wikipedia_id': '47145719', 'title': 'The Frankenstein Chronicles', 'start_paragraph_id': 4, 'start_character': 134, 'end_paragraph_id': 4, 'end_character': 135, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]