Question: how many episodes in the bbc's bodyguard
[{'answer': '6', 'provenance': [{'wikipedia_id': '54427680', 'title': 'Bodyguard (British TV series)', 'start_paragraph_id': 1, 'start_character': 518, 'end_paragraph_id': 1, 'end_character': 519, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]