Question: who plays luna's dad in harry potter
[{'answer': 'Ifans', 'provenance': [{'wikipedia_id': '891112', 'title': 'Rhys Ifans', 'start_paragraph_id': 0, 'start_character': 5, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '891112', 'title': 'Rhys Ifans', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 582, 'bleu_score': 0.9802931511945101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8522442405731059454}, 'section': 'Section::::Career.:Feature films.\n'}]}]