Question: when did the latest macbook pro come out
[{'answer': 'June 5 , 2017', 'provenance': [{'wikipedia_id': '3677824', 'title': 'MacBook Pro', 'start_paragraph_id': 57, 'start_character': 3, 'end_paragraph_id': 57, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Fourth generation (Touch Bar and USB-C).\n'}]}]