Question: what is the girl's name from charlotte's web
[{'answer': 'Fern Arable', 'provenance': [{'wikipedia_id': '302301', 'title': "Charlotte's Web", 'start_paragraph_id': 5, 'start_character': 26, 'end_paragraph_id': 5, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::Plot summary.\n'}]}]