Question: who invented the first mouse driven graphical user interface
[{'answer': 'Douglas Engelbart', 'provenance': [{'wikipedia_id': '13914', 'title': 'History of the graphical user interface', 'start_paragraph_id': 7, 'start_character': 14, 'end_paragraph_id': 7, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Early research and developments.:Augmentation of Human Intellect (NLS).\n'}]}, {'provenance': [{'wikipedia_id': '13914', 'title': 'History of the graphical user interface', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 374, 'bleu_score': 0.881322716095275, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10682450581182372709}, 'section': 'Section::::Early research and developments.:Augmentation of Human Intellect (NLS).\n'}]}]