Question: who illustrated the us harry potter and the sorcerer's stone
[{'answer': 'Kazu Kibuishi', 'provenance': [{'wikipedia_id': '48648', 'title': "Harry Potter and the Philosopher's Stone", 'start_paragraph_id': 49, 'start_character': 345, 'end_paragraph_id': 49, 'end_character': 358, 'bleu_score': 1.0, 'section': 'Section::::Development, publication and reception.:U.S. publication and reception.\n'}]}]