Question:
Who was the chair of Federal Academy for Security Policy in Mar, 2022?

Context:
 Hans-Dieter Heumann is the chair of Federal Academy for Security Policy from Aug, 2011 to Sep, 2015. 
 Kersten Lahl is the chair of Federal Academy for Security Policy from Jan, 2008 to Aug, 2011. 
 Ekkehard Brose is the chair of Federal Academy for Security Policy from Oct, 2019 to Dec, 2022. 
 Günter Joetze is the chair of Federal Academy for Security Policy from Jan, 1995 to Jan, 1999. 
 Dieter Wellershoff is the chair of Federal Academy for Security Policy from Jan, 1992 to Jan, 1995.

Answer:
Question:
Who was the chair of Federal Academy for Security Policy in Mar, 2022?

Context:
 Hans-Dieter Heumann is the chair of Federal Academy for Security Policy from Aug, 2011 to Sep, 2015. 
 Kersten Lahl is the chair of Federal Academy for Security Policy from Jan, 2008 to Aug, 2011. 
 Ekkehard Brose is the chair of Federal Academy for Security Policy from Oct, 2019 to Dec, 2022. 
 Günter Joetze is the chair of Federal Academy for Security Policy from Jan, 1995 to Jan, 1999. 
 Dieter Wellershoff is the chair of Federal Academy for Security Policy from Jan, 1992 to Jan, 1995.

Answer:
user
Ekkehard Brose
assistant
Question:
Who was the chair of Federal Academy for Security Policy in Mar, 2022?

Context:
 Hans-Dieter Heumann is the chair of Federal Academy for Security Policy from Aug, 2011 to Sep, 2015. 
 Kersten Lahl is the chair of Federal Academy for Security Policy from Jan, 2008 to Aug, 2011. 
 Ekkehard Brose is the chair of Federal Academy for Security Policy from Oct, 2019 to Dec, 2022. 
 Günter Joetze is the chair of Federal Academy for Security Policy from Jan, 1995 to Jan, 1999. 
 Dieter Wellershoff is the chair of Federal Academy for Security Policy from Jan, 1992 to Jan, 1995.

Answer:
user
Dieter Wellershoff
Hans-Dieter Heumann
Kersten Lahl
Günter Joetze
assistant
Question:
Who was the chair of Federal Academy for Security Policy in Mar, 2022?

Context:
 Hans-Dieter Heumann is the chair of Federal Academy for Security Policy from Aug, 2011 to Sep, 2015. 
 Kersten Lahl is the chair of Federal Academy for Security Policy from Jan, 2008 to Aug, 2011. 
 Ekkehard Brose is the chair of Federal Academy for Security Policy from Oct, 2019 to Dec, 2022. 
 Günter Joetze is the chair of Federal Academy for Security Policy from Jan, 1995 to Jan, 1999. 
 Dieter Wellershoff is the chair of Federal Academy for Security Policy from Jan, 1992 to Jan, 1995.

Answer:
user
Ekkehard Brose
assistant