Question: who plays malfoy's dad in harry potter
[{'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': 613, 'bleu_score': 0.6767245842452441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10882099283521349300}, 'section': 'Section::::Abstract.'}]}]