Question: who is the actor who plays ross poldark
[{'answer': 'Aidan Turner', 'provenance': [{'wikipedia_id': '21477287', 'title': 'Aidan Turner', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21477287', 'title': 'Aidan Turner', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 404, 'bleu_score': 0.8293455455401091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2657436691921892997}, 'section': 'Section::::Abstract.'}]}]