Question: when was the eve of st agnes written
[{'answer': 'in 1819', 'provenance': [{'wikipedia_id': '1229608', 'title': 'The Eve of St. Agnes', 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 135, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1229608', 'title': 'The Eve of St. Agnes', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 316, 'bleu_score': 0.965203995518735, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1508715199558747065}, 'section': 'Section::::Abstract.'}]}]