Question: who wrote the history of the kings of britian
[{'answer': 'Geoffrey of Monmouth', 'provenance': [{'wikipedia_id': '690194', 'title': 'Historia Regum Britanniae', 'start_paragraph_id': 1, 'start_character': 210, 'end_paragraph_id': 1, 'end_character': 230, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '690194', 'title': 'Historia Regum Britanniae', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 531, 'bleu_score': 0.949466006301181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7400274005841656180}, 'section': 'Section::::Abstract.'}]}]