Question: what is the latest version of excel for windows
[{'answer': '16.0', 'provenance': [{'wikipedia_id': '20268', 'title': 'Microsoft Excel', 'start_paragraph_id': 148, 'start_character': 24, 'end_paragraph_id': 148, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Versions.:Microsoft Windows.:Excel 2013 (v15.0).\n'}]}]