Question: who invented the greater than and less than sign
[{'answer': 'Thomas Harriot', 'provenance': [{'wikipedia_id': '11033536', 'title': 'Greater-than sign', 'start_paragraph_id': 3, 'start_character': 102, 'end_paragraph_id': 3, 'end_character': 116, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]