Question: which district of Chūō, Tokyo, did Tokyo Expressway runs in a semicircular loop around
Sentence (from "Tokyo Expressway"): The Tokyo Expressway (東京高速道路 , Tōkyō Kōsoku Dōro ) , also known as the KK Expressway, is a short (2 km) untolled expressway in central Tokyo that is owned and maintained by Tokyo Kōsoku Dōro K.K.
Relevant evidence: No