Question: when was the preface to the lyrical ballads published
[{'answer': 'January 1801', 'provenance': [{'wikipedia_id': '8767467', 'title': 'Preface to the Lyrical Ballads', 'start_paragraph_id': 1, 'start_character': 117, 'end_paragraph_id': 1, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8767467', 'title': 'Preface to the Lyrical Ballads', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 347, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2887180635768078177}, 'section': 'Section::::Abstract.'}]}]