Question: who plays tywin lannister on game of thrones
[{'answer': 'Walter Charles Dance', 'provenance': [{'wikipedia_id': '2060192', 'title': 'Charles Dance', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2060192', 'title': 'Charles Dance', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 97, 'bleu_score': 0.716035054694792, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 436783642667777707}, 'section': 'Section::::Abstract.'}]}]