Question: how many episodes of poldark in series 3
[{'answer': '9', 'provenance': [{'wikipedia_id': '42392067', 'title': 'Poldark (2015 TV series)', 'start_paragraph_id': 2, 'start_character': 411, 'end_paragraph_id': 2, 'end_character': 412, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]