You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "the 47 political subdivisions in japan are called?" whose answer is Prefecture.
Each document should contain about 30 words, and these documents should contain useful information.

Query: 47 political subdivisions in japan
Useful Output:

Doc 1: Japan 101: Learn about all 47 Japanese prefectures in 24 minutes! The Tokyo  political things like border disputes, so don't think that. I know
Doc 2: Map – 47 Prefectures of Japan. Regions: Hokkaido; Tohoku; Kanto; Kansai; Shikoku; Kyushu; Chugoku; Chubu. Map of Prefectures of Japan. Tokyo is
Doc 3: Prefectures are what divide Japan into smaller groups. They are called (県) ken. There are 47 prefectures in total. A city (市) shi is decided
Doc 4: 1) Hokkaido Area: 32,221 square miles (83,452 sq km) · 2) Iwate Area: 5,899 square miles (15,278 sq km) · 3) Fukushima Area: 5,321 square miles (
Doc 5: The Prefectures of Japan · Hokkaidō and Tōhoku · Kantō · Chūbu · Kansai (Kinki) · Chūgoku · Shikoku · Kyūshū and Okinawa · Related Tags.