Question: who plays king richard in the white queen
[{'answer': 'Aneurin Barnard', 'provenance': [{'wikipedia_id': '21939448', 'title': 'Aneurin Barnard', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21939448', 'title': 'Aneurin Barnard', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 318, 'bleu_score': 0.7546772542053021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8163939740438773983}, 'section': 'Section::::Abstract.'}]}]