2013 Challengers League

Columns: Club | City | Stadium | Manager
Icheon Citizen | Icheon | Icheon City Stadium | Lee Hyun-Chang | Jeonbuk Maeil | Jeonju | Jeonju University ground | Yang Young-Cheol | Jungnang Chorus Mustang | Seoul | Jungnang Public Ground | Yoo Bong-Ki | Paju Citizen | Paju | Paju Public Stadium | Oh Won-Jae | FC Pocheon | Pocheon | Pocheon Stadium | In Chang-Soo | Seoul FC Martyrs | Seoul | Gangbuk Stadium | Kim Yong-Hae | Seoul United | Seoul | Madeul Stadium | Kim Chang-Kyum | Yangju Citizen | Yangju | Yangju Stadium | Lee Seung-Hee | Yeonggwang FC | Yeonggwang | Yeonggwang Sportium | Kim Han-Bong

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