Question: how many episodes in season 2 of harlots are there
[{'answer': '8', 'provenance': [{'wikipedia_id': '53486848', 'title': 'Harlots (TV series)', 'start_paragraph_id': 1, 'start_character': 247, 'end_paragraph_id': 1, 'end_character': 248, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]