Question: Which country is Esaki in?

Context paragraphs:
Esaki (restaurant): Esaki is a Michelin 3-star sushi restaurant located in the Hills Aoyama building in Shibuya.  It is owned and operated by sushi chef Shintaro Esaki.

Shibuya: Shibuya (渋谷区 , Shibuya-ku ) is a special ward in Tokyo, Japan.

Supporting paragraphs: Esaki (restaurant) Shibuya
Answer: Japan