Question: what is the oldest version of microsoft windows
[{'answer': 'Microsoft Windows , version 1.0', 'provenance': [{'wikipedia_id': '13694', 'title': 'Microsoft Windows version history', 'start_paragraph_id': 6, 'start_character': 33, 'end_paragraph_id': 6, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Windows 1.x.\n'}]}, {'provenance': [{'wikipedia_id': '13694', 'title': 'Microsoft Windows version history', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 429, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11887883076937927272}, 'section': 'Section::::Windows 1.x.\n'}]}]