Question: who invented the first practical typewriter and the qwerty keyboard still in use today
[{'answer': 'Christopher Latham Sholes', 'provenance': [{'wikipedia_id': '25213', 'title': 'QWERTY', 'start_paragraph_id': 3, 'start_character': 64, 'end_paragraph_id': 3, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '25213', 'title': 'QWERTY', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 318, 'bleu_score': 0.96188712955549, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14537378598481128766}, 'section': 'Section::::History.\n'}]}]