Question: who is the author of the book charlotte s web
[{'answer': 'author E.B. White'}, {'provenance': [{'wikipedia_id': '302301', 'title': "Charlotte's Web", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 459, 'bleu_score': 0.944475589384524, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12512793910541611110}, 'section': 'Section::::Abstract.'}]}]