Question: what is the world record for remembering pi
[{'answer': 'Akira Haraguchi', 'provenance': [{'wikipedia_id': '3135619', 'title': 'Akira Haraguchi', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]