Question: what is latest version of mac os x
[{'answer': 'macOS High Sierra', 'provenance': [{'wikipedia_id': '20640', 'title': 'MacOS', 'start_paragraph_id': 22, 'start_character': 696, 'end_paragraph_id': 22, 'end_character': 713, 'bleu_score': 1.0, 'section': 'Section::::History.:Mac OS X.:Following releases.\n'}]}, {'provenance': [{'wikipedia_id': '20640', 'title': 'MacOS', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 780, 'bleu_score': 0.9337739239741861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16219369405425463110}, 'section': 'Section::::Abstract.'}]}]