Question: What football club was based in the capital of the Republican of Korea?

Context paragraphs:
Pyongyang FC: Pyongyang Football Club was a Korean football club based in the city of Pyongyang, which is now the capital of North Korea.  The club won the national cup competition in 1934.

Cooma FC: Cooma Football Club (also known as Tigers FC and formally as Cooma Tigers) is an Australian semi-professional association football club based in Cooma, New South Wales.  The club is affiliated with Capital Football and currently competes in the National Premier Leagues Capital Football in the ACT.  Cooma's home venue is Nijong Oval and the Tigers are twice league champions and once league premiers.

Seoul: Seoul ( ; 서울; ] ), officially the Seoul Special Metropolitan City – is the capital and largest metropolis of the Republic of Korea (commonly known as South Korea).  Seoul is the world's 16th largest city, and forms the heart of the Seoul Capital Area, which includes the surrounding Incheon metropolis and Gyeonggi province.  The Seoul Capital Area houses about half of the country's population of 51.44 million people with 678,102 international residents.

Sta. Maria F.C.: The Sta.  Maria Football Club is an amateur Filipino football club, based in Bulacan.  The team currently competes in the Weekend Futbol League.  The club made its debut as a guest team in the 2014–15 season of the Weekend Futbol League Cup (WFL Cup) competition, a competition sanctioned by the National Capital Region F.A..  The name of the football club was derived from the name of the town where the club was founded.

Kyungsung FC: Kyungsung Football Club was the Korean football club based in the city of Seoul.

Jeju United FC: The Jeju United Football Club (Korean:제주 유나이티드 FC) is a South Korean professional football club.  The club is based in Jeju, South Korea.  In the past, the club has been known as the Yukong Elephants Football Club and Bucheon SK.

Heart of Midlothian F.C.: Heart of Midlothian Football Club, commonly known as Hearts is a Scottish professional football club based in Gorgie in the west of Edinburgh.  Hearts are the oldest football club in the Scottish capital, having been formed in 1874 by a group of friends from the Heart of Midlothian Quadrille Assembly Club (Dancing).  The modern club crest is based on the Heart of Midlothian mosaic on the city's Royal Mile and the team's colours are predominantly maroon and white.

FK Sarajevo: Fudbalski klub Sarajevo (English: Sarajevo Football Club ) is a Bosnian professional football club based in Sarajevo, the capital city of Bosnia and Herzegovina and is one of the most successful clubs in the country.  Founded on 24 October 1946, FK Sarajevo was the most successful club from SR Bosnia in former SFR Yugoslavia, winning two Yugoslav First League titles, being runners-up on two other occasions and finishing 6th in that competition's all-time table.  The club's official colours are maroon and white.  FK Sarajevo was the only major football club founded by the post-war Yugoslav authorities in the city of Sarajevo.  The club entered the Yugoslav First League in the 1948–49 season, and eventually competed in all but two seasons in the top tier.  After Bosnia and Herzegovina gained independence from Yugoslavia, FK Sarajevo became one the country's biggest ambassadors, departing on a large world tour during the Bosnian war with the goal of gaining international support for the country's cause.

Eastlake Football Club: The Canberra Demons (Formally known as the Eastlake Football Club) is a semi-professional Australian rules football club based in the inner-south of Canberra, in the Australian Capital Territory.  The senior team competes in the North North East Australian Football League (NEAFL).  It merged with Manuka Football Club in 1991.

Seongnam FC: Seongnam FC (Korean: 성남 FC ) is a South Korean professional football club, based in Seongnam, South Korea.  Seongnam currently plays in the K League Challenge.  Founded as Ilhwa Chunma Football Club in 1989, the club is the most successful in Korean football, having won a record seven K league titles, three FA Cups, three League Cups, and two AFC Champions League titles.

Supporting paragraphs: Kyungsung FC Seoul
Answer: Kyungsung Football Club