Question:
Who was the chair of Ministry of Gender Equality and Family in Jan, 2015?

Context:
 Chung Hyun-back is the chair of Ministry of Gender Equality and Family from Jul, 2017 to Dec, 2022. 
 Kim Hee-jung is the chair of Ministry of Gender Equality and Family from Jul, 2014 to Jan, 2016. 
 Cho Yoon-sun is the chair of Ministry of Gender Equality and Family from Mar, 2013 to Jun, 2014.

Answer:
Question:
Who was the chair of Ministry of Gender Equality and Family in Jan, 2015?

Context:
 Chung Hyun-back is the chair of Ministry of Gender Equality and Family from Jul, 2017 to Dec, 2022. 
 Kim Hee-jung is the chair of Ministry of Gender Equality and Family from Jul, 2014 to Jan, 2016. 
 Cho Yoon-sun is the chair of Ministry of Gender Equality and Family from Mar, 2013 to Jun, 2014.

Answer:
user
Kim Hee-jung
assistant
Question:
Who was the chair of Ministry of Gender Equality and Family in Jan, 2015?

Context:
 Chung Hyun-back is the chair of Ministry of Gender Equality and Family from Jul, 2017 to Dec, 2022. 
 Kim Hee-jung is the chair of Ministry of Gender Equality and Family from Jul, 2014 to Jan, 2016. 
 Cho Yoon-sun is the chair of Ministry of Gender Equality and Family from Mar, 2013 to Jun, 2014.

Answer:
user
Cho Yoon-sun
Chung Hyun-back
assistant
Question:
Who was the chair of Ministry of Gender Equality and Family in Jan, 2015?

Context:
 Chung Hyun-back is the chair of Ministry of Gender Equality and Family from Jul, 2017 to Dec, 2022. 
 Kim Hee-jung is the chair of Ministry of Gender Equality and Family from Jul, 2014 to Jan, 2016. 
 Cho Yoon-sun is the chair of Ministry of Gender Equality and Family from Mar, 2013 to Jun, 2014.

Answer:
user
Kim Hee-jung
assistant