Question: who wrote a romance called le morte d'arthur about the death of king arthur
[{'answer': 'Sir Thomas Malory', 'provenance': [{'wikipedia_id': '419489', 'title': "Le Morte d'Arthur", 'start_paragraph_id': 3, 'start_character': 171, 'end_paragraph_id': 3, 'end_character': 188, 'bleu_score': 1.0, 'section': 'Section::::Authorship.\n'}]}]