["region:us"]
[{"name": "book_volume", "dtype": "string"}, {"name": "book_title", "dtype": "string"}, {"name": "chapter_number", "dtype": "string"}, {"name": "chapter_title", "dtype": "string"}, {"name": "section_number", "dtype": "string"}, {"name": "section_title", "dtype": "string"}, {"name": "section_text", "dtype": "string"}]