Question: who is the dreamer in the dream of the rood
[{'answer': 'Cynewulf', 'provenance': [{'wikipedia_id': '268135', 'title': 'Dream of the Rood', 'start_paragraph_id': 15, 'start_character': 75, 'end_paragraph_id': 15, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Possible authorship.\n'}]}]