Question: who created the mac operating system and when
[{'answer': 'Apple , Inc .'}, {'answer': 'March 24 , 2001', 'provenance': [{'wikipedia_id': '20640', 'title': 'MacOS', 'start_paragraph_id': 78, 'start_character': 3, 'end_paragraph_id': 78, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Release history.:Mac OS X 10.0 Cheetah.\n'}]}]