Question: who developed the first version of windows operating system in 1983
[{'answer': 'Bill Gates', 'provenance': [{'wikipedia_id': '13694', 'title': 'Microsoft Windows version history', 'start_paragraph_id': 1, 'start_character': 35, 'end_paragraph_id': 1, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13694', 'title': 'Microsoft Windows version history', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 376, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1024638022495830843}, 'section': 'Section::::Abstract.'}]}]