Question: when was the lion the witch and the wardrobe first published
[{'answer': '16 October 1950', 'provenance': [{'wikipedia_id': '242130', 'title': 'The Lion, the Witch and the Wardrobe', 'start_paragraph_id': 38, 'start_character': 388, 'end_paragraph_id': 38, 'end_character': 403, 'bleu_score': 1.0, 'section': 'Section::::Writing.\n'}]}]