Question: who wrote charlie and the chocolate factory book
[{'answer': 'British author Roald Dahl', 'provenance': [{'wikipedia_id': '57766', 'title': 'Charlie and the Chocolate Factory', 'start_paragraph_id': 1, 'start_character': 64, 'end_paragraph_id': 1, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '57766', 'title': 'Charlie and the Chocolate Factory', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 214, 'bleu_score': 0.9419661180380051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4116746399513497864}, 'section': 'Section::::Abstract.'}]}]