Question: what is the most current software for mac
[{'answer': 'macOS', 'provenance': [{'wikipedia_id': '20640', 'title': 'MacOS', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 5, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20640', 'title': 'MacOS', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 353, 'bleu_score': 0.543066197903303, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3603111223528380737}, 'section': 'Section::::Abstract.'}]}]