Question: who played king george vi in the king's speech
[{'answer': 'Colin Firth', 'provenance': [{'wikipedia_id': '25080984', 'title': "The King's Speech", 'start_paragraph_id': 1, 'start_character': 103, 'end_paragraph_id': 1, 'end_character': 114, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25080984', 'title': "The King's Speech", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 484, 'bleu_score': 0.9483044717870771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13728471181913645558}, 'section': 'Section::::Abstract.'}]}]