Question: Sŏsŏng-guyŏk, or Sosong District, is one of the 19 guyŏk of Pyongyang,  is the capital and largest city of which country?
Sentence (from "Sosong-guyok"): It is located on the Pot'ong River, west of the Moranbong-guyŏk (Moranbong District) and south of Hyŏngjesan-guyŏk (Hyongjesan District).
Relevant evidence: No