Question: what region of the world is japan in
[{'answer': 'East Asia', 'provenance': [{'wikipedia_id': '15573', 'title': 'Japan', 'start_paragraph_id': 1, 'start_character': 86, 'end_paragraph_id': 1, 'end_character': 95, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15573', 'title': 'Japan', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 847, 'bleu_score': 0.5158794165228711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5254800301034039743}, 'section': 'Section::::Abstract.'}]}]