Question: how many episodes is there of peaky blinders
[{'answer': '24', 'provenance': [{'wikipedia_id': '38432808', 'title': 'Peaky Blinders (TV series)', 'start_paragraph_id': 8, 'start_character': 34, 'end_paragraph_id': 8, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}]