2013 Challengers League

Columns: Club | City | Stadium | Manager
Asan Citizen | Asan | Yi Sun-sin Sports Complex | Jung Nam-Kil | Cheonan FC | Cheonan | Cheonan Football Center | Seo Won-Sang | Cheongju Jikji FC | Cheongju | Cheongju Stadium | Kim Jong-Hyun | Chuncheon FC | Chuncheon | Chuncheon Stadium | Kim Yong-Ho | Gimpo Citizen | Gimpo | Gimpo City Stadium | Yoo Jong-Wan | Goyang Citizen | Goyang | Goyang Eoulimnuri ground | Kim Jin-Ok | Gwangju Gwangsan FC | Gwangju | Honam University ground | Kim Kang-Seon | Gyeongju Citizen | Gyeongju | Gyeongju Civic Stadium | Kim Jin-Hyung | Hwaseong FC | Hwaseong | Hwaseong Stadium | Kim Jong-Boo

Example questions:
What company is headquartered in the city whose opened in 2001 and had a team in the 2013 challengers league ? | In which year was this football club in the 2013 challengers league based in the city known for hot springs dissolved ? | On which date was this football club Jungnang Chorus Mustang founded , which is based in the city with the world 's 4th largest metropolitan economy ? | When did this football club based in the sixth-largest city in South Korea first compete in the Korean football league and also played in the 2013 challengers league ?

Answers:
Hynix | 2015 | 27 February 2012 | 2008