Question: when does the only existing beowulf manuscript date
[{'answer': 'between 975 and 1025', 'provenance': [{'wikipedia_id': '3833', 'title': 'Beowulf', 'start_paragraph_id': 1, 'start_character': 283, 'end_paragraph_id': 1, 'end_character': 303, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3833', 'title': 'Beowulf', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 397, 'bleu_score': 0.6993140624267821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7327705401061036330}, 'section': 'Section::::Abstract.'}]}]