Question: most up to date version of mac os
[{'answer': '10.7', 'provenance': [{'wikipedia_id': '20640', 'title': 'MacOS', 'start_paragraph_id': 3, 'start_character': 313, 'end_paragraph_id': 3, 'end_character': 317, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]