Question: when was the book lord of the flies written
[{'answer': 'Published in 1954', 'provenance': [{'wikipedia_id': '31584', 'title': 'Lord of the Flies', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '31584', 'title': 'Lord of the Flies', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 392, 'bleu_score': 0.843358028493833, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2230086582465221592}, 'section': 'Section::::Background.\n'}]}]