Question:
Who was the chair of Ministry of Economy and Finance in Feb, 2017?

Context:
 Choi Kyoung-hwan is the chair of Ministry of Economy and Finance from Jul, 2014 to Jan, 2016. 
 Yoo Il-ho is the chair of Ministry of Economy and Finance from Jan, 2016 to Jun, 2017. 
 Yoon Jeung-hyun is the chair of Ministry of Economy and Finance from Feb, 2009 to Jun, 2011. 
 Kim Dong-yeon is the chair of Ministry of Economy and Finance from Jun, 2017 to Dec, 2022.

Answer:
Question:
Who was the chair of Ministry of Economy and Finance in Feb, 2017?

Context:
 Choi Kyoung-hwan is the chair of Ministry of Economy and Finance from Jul, 2014 to Jan, 2016. 
 Yoo Il-ho is the chair of Ministry of Economy and Finance from Jan, 2016 to Jun, 2017. 
 Yoon Jeung-hyun is the chair of Ministry of Economy and Finance from Feb, 2009 to Jun, 2011. 
 Kim Dong-yeon is the chair of Ministry of Economy and Finance from Jun, 2017 to Dec, 2022.

Answer:
user
Yoo Il-ho
assistant
Question:
Who was the chair of Ministry of Economy and Finance in Feb, 2017?

Context:
 Choi Kyoung-hwan is the chair of Ministry of Economy and Finance from Jul, 2014 to Jan, 2016. 
 Yoo Il-ho is the chair of Ministry of Economy and Finance from Jan, 2016 to Jun, 2017. 
 Yoon Jeung-hyun is the chair of Ministry of Economy and Finance from Feb, 2009 to Jun, 2011. 
 Kim Dong-yeon is the chair of Ministry of Economy and Finance from Jun, 2017 to Dec, 2022.

Answer:
user
Kim Dong-yeon
Yoon Jeung-hyun
Choi Kyoung-hwan
assistant
Question:
Who was the chair of Ministry of Economy and Finance in Feb, 2017?

Context:
 Choi Kyoung-hwan is the chair of Ministry of Economy and Finance from Jul, 2014 to Jan, 2016. 
 Yoo Il-ho is the chair of Ministry of Economy and Finance from Jan, 2016 to Jun, 2017. 
 Yoon Jeung-hyun is the chair of Ministry of Economy and Finance from Feb, 2009 to Jun, 2011. 
 Kim Dong-yeon is the chair of Ministry of Economy and Finance from Jun, 2017 to Dec, 2022.

Answer:
user
Yoo Il-ho
assistant