Question: who is the actor that plays lucius malfoy
[{'answer': 'Jason Isaacs', 'provenance': [{'wikipedia_id': '416641', 'title': 'Jason Isaacs', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '416641', 'title': 'Jason Isaacs', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 479, 'bleu_score': 0.6498410494688951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12343911901453685353}, 'section': 'Section::::Abstract.'}]}]