Question:
Who was the chair of State Special Communications Service of Ukraine in Jul, 2019?

Context:
 Gennadiy Reznikov is the chair of State Special Communications Service of Ukraine from Dec, 2011 to Mar, 2014. 
 Evdochenko Leonid Oleksandrovych is the chair of State Special Communications Service of Ukraine from Jul, 2015 to Oct, 2019. 
 Zvieriev Volodymyr Pavlovych is the chair of State Special Communications Service of Ukraine from Mar, 2014 to Jul, 2015.

Answer:
Question:
Who was the chair of State Special Communications Service of Ukraine in Jul, 2019?

Context:
 Gennadiy Reznikov is the chair of State Special Communications Service of Ukraine from Dec, 2011 to Mar, 2014. 
 Evdochenko Leonid Oleksandrovych is the chair of State Special Communications Service of Ukraine from Jul, 2015 to Oct, 2019. 
 Zvieriev Volodymyr Pavlovych is the chair of State Special Communications Service of Ukraine from Mar, 2014 to Jul, 2015.

Answer:
user
Evdochenko Leonid Oleksandrovych
assistant
Question:
Who was the chair of State Special Communications Service of Ukraine in Jul, 2019?

Context:
 Gennadiy Reznikov is the chair of State Special Communications Service of Ukraine from Dec, 2011 to Mar, 2014. 
 Evdochenko Leonid Oleksandrovych is the chair of State Special Communications Service of Ukraine from Jul, 2015 to Oct, 2019. 
 Zvieriev Volodymyr Pavlovych is the chair of State Special Communications Service of Ukraine from Mar, 2014 to Jul, 2015.

Answer:
user
Zvieriev Volodymyr Pavlovych
Gennadiy Reznikov
assistant
Question:
Who was the chair of State Special Communications Service of Ukraine in Jul, 2019?

Context:
 Gennadiy Reznikov is the chair of State Special Communications Service of Ukraine from Dec, 2011 to Mar, 2014. 
 Evdochenko Leonid Oleksandrovych is the chair of State Special Communications Service of Ukraine from Jul, 2015 to Oct, 2019. 
 Zvieriev Volodymyr Pavlovych is the chair of State Special Communications Service of Ukraine from Mar, 2014 to Jul, 2015.

Answer:
user
Evdochenko Leonid Oleksandrovych
assistant