Question: how many episodes are there in mind hunter
[{'answer': '10', 'provenance': [{'wikipedia_id': '49681637', 'title': 'Mindhunter (TV series)', 'start_paragraph_id': 29, 'start_character': 210, 'end_paragraph_id': 29, 'end_character': 212, 'bleu_score': 1.0, 'section': 'Section::::Development and production.\n'}]}]