Question: what is the name of the sorting hat in harry potter
[{'answer': 'the Sorting Hat', 'provenance': [{'wikipedia_id': '45324', 'title': 'Hogwarts', 'start_paragraph_id': 19, 'start_character': 6, 'end_paragraph_id': 19, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Arrival.\n'}]}, {'provenance': [{'wikipedia_id': '45324', 'title': 'Hogwarts', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 924, 'bleu_score': 0.6231578191867021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9582354554384086218}, 'section': 'Section::::Arrival.\n'}]}]