Question: where did the idea of chivalry come from
[{'answer': 'the medieval institution of knighthood'}, {'provenance': [{'wikipedia_id': '59639', 'title': 'Chivalry', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 575, 'bleu_score': 0.8334212233226741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10412853096258456640}, 'section': 'Section::::Abstract.'}]}]