Question: how did lionel luthor get his sight back
[{'answer': 'his eyes healed', 'provenance': [{'wikipedia_id': '955701', 'title': 'Lionel Luthor', 'start_paragraph_id': 5, 'start_character': 970, 'end_paragraph_id': 5, 'end_character': 985, 'bleu_score': 1.0, 'section': 'Section::::Role in "Smallville".\n'}]}, {'provenance': [{'wikipedia_id': '955701', 'title': 'Lionel Luthor', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 1236, 'bleu_score': 0.9745541077177141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17513666267284506841}, 'section': 'Section::::Role in "Smallville".\n'}]}]