Question: who is the actor that plays walter white
[{'answer': 'Bryan Lee Cranston', 'provenance': [{'wikipedia_id': '1600208', 'title': 'Bryan Cranston', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1600208', 'title': 'Bryan Cranston', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 309, 'bleu_score': 0.5407984597409661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13142972461506661971}, 'section': 'Section::::Abstract.'}]}]