Question: who wrote brut and what is the poem about
[{'answer': 'English priest Layamon', 'provenance': [{'wikipedia_id': '3709098', 'title': "Layamon's Brut", 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 150, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'narrates the history of Britain', 'provenance': [{'wikipedia_id': '3709098', 'title': "Layamon's Brut", 'start_paragraph_id': 1, 'start_character': 188, 'end_paragraph_id': 1, 'end_character': 219, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3709098', 'title': "Layamon's Brut", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 842, 'bleu_score': 0.9687635332632951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8263083049680384394}, 'section': 'Section::::Abstract.'}]}]