Question:
Who was the chair of Federal Office for Information Security in Aug, 2020?

Context:
 Otto Leiberich is the chair of Federal Office for Information Security from Jan, 1991 to Jan, 1992. 
 Udo Helmbrecht is the chair of Federal Office for Information Security from Mar, 2003 to Jan, 2009. 
 Arne Schönbohm is the chair of Federal Office for Information Security from Feb, 2016 to Oct, 2022. 
 Michael Hange is the chair of Federal Office for Information Security from Oct, 2009 to Dec, 2015.

Answer:
Question:
Who was the chair of Federal Office for Information Security in Aug, 2020?

Context:
 Otto Leiberich is the chair of Federal Office for Information Security from Jan, 1991 to Jan, 1992. 
 Udo Helmbrecht is the chair of Federal Office for Information Security from Mar, 2003 to Jan, 2009. 
 Arne Schönbohm is the chair of Federal Office for Information Security from Feb, 2016 to Oct, 2022. 
 Michael Hange is the chair of Federal Office for Information Security from Oct, 2009 to Dec, 2015.

Answer:
user
Arne Schönbohm
assistant
Question:
Who was the chair of Federal Office for Information Security in Aug, 2020?

Context:
 Otto Leiberich is the chair of Federal Office for Information Security from Jan, 1991 to Jan, 1992. 
 Udo Helmbrecht is the chair of Federal Office for Information Security from Mar, 2003 to Jan, 2009. 
 Arne Schönbohm is the chair of Federal Office for Information Security from Feb, 2016 to Oct, 2022. 
 Michael Hange is the chair of Federal Office for Information Security from Oct, 2009 to Dec, 2015.

Answer:
user
Otto Leiberich
Udo Helmbrecht
Michael Hange
assistant
Question:
Who was the chair of Federal Office for Information Security in Aug, 2020?

Context:
 Otto Leiberich is the chair of Federal Office for Information Security from Jan, 1991 to Jan, 1992. 
 Udo Helmbrecht is the chair of Federal Office for Information Security from Mar, 2003 to Jan, 2009. 
 Arne Schönbohm is the chair of Federal Office for Information Security from Feb, 2016 to Oct, 2022. 
 Michael Hange is the chair of Federal Office for Information Security from Oct, 2009 to Dec, 2015.

Answer:
user
Arne Schönbohm
assistant