Question: a progressive degeneration of the macula lutea of the retina is called
[{'answer': 'macular degeneration', 'provenance': [{'wikipedia_id': '252035', 'title': 'Macula of retina', 'start_paragraph_id': 3, 'start_character': 182, 'end_paragraph_id': 3, 'end_character': 202, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '252035', 'title': 'Macula of retina', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 285, 'bleu_score': 0.625705240067253, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3522916042913946985}, 'section': 'Section::::Clinical significance.\n'}]}]