Question:
Who was the chair of Oesterreichische Nationalbank in Dec, 2009?

Context:
 Ewald Nowotny is the chair of Oesterreichische Nationalbank from Sep, 2008 to Aug, 2019. 
 Maria Schaumayer is the chair of Oesterreichische Nationalbank from Jun, 1990 to May, 1995. 
 Robert Holzmann is the chair of Oesterreichische Nationalbank from Sep, 2019 to Dec, 2022. 
 Andreas Korp is the chair of Oesterreichische Nationalbank from Sep, 1966 to Jan, 1968. 
 Heinz Kienzl is the chair of Oesterreichische Nationalbank from Apr, 1990 to May, 1990. 
 Klaus Liebscher is the chair of Oesterreichische Nationalbank from Sep, 1998 to Aug, 2008. 
 Hans Rizzi is the chair of Oesterreichische Nationalbank from Jul, 1945 to Mar, 1952. 
 Eugen Margarétha is the chair of Oesterreichische Nationalbank from Mar, 1952 to Jun, 1960. 
 Claus Raidl is the chair of Oesterreichische Nationalbank from Sep, 2008 to Aug, 2018. 
 Adolf Wala is the chair of Oesterreichische Nationalbank from Sep, 1998 to Aug, 2003. 
 Reinhard Kamitz is the chair of Oesterreichische Nationalbank from Jun, 1960 to Jan, 1966. 
 Hellmuth Klauhs is the chair of Oesterreichische Nationalbank from Sep, 1988 to Apr, 1990. 
 Harald Mahrer is the chair of Oesterreichische Nationalbank from Sep, 2019 to Dec, 2022. 
 Herbert Schimetschek is the chair of Oesterreichische Nationalbank from Sep, 2003 to Aug, 2008.

Answer:
Question:
Who was the chair of Oesterreichische Nationalbank in Dec, 2009?

Context:
 Ewald Nowotny is the chair of Oesterreichische Nationalbank from Sep, 2008 to Aug, 2019. 
 Maria Schaumayer is the chair of Oesterreichische Nationalbank from Jun, 1990 to May, 1995. 
 Robert Holzmann is the chair of Oesterreichische Nationalbank from Sep, 2019 to Dec, 2022. 
 Andreas Korp is the chair of Oesterreichische Nationalbank from Sep, 1966 to Jan, 1968. 
 Heinz Kienzl is the chair of Oesterreichische Nationalbank from Apr, 1990 to May, 1990. 
 Klaus Liebscher is the chair of Oesterreichische Nationalbank from Sep, 1998 to Aug, 2008. 
 Hans Rizzi is the chair of Oesterreichische Nationalbank from Jul, 1945 to Mar, 1952. 
 Eugen Margarétha is the chair of Oesterreichische Nationalbank from Mar, 1952 to Jun, 1960. 
 Claus Raidl is the chair of Oesterreichische Nationalbank from Sep, 2008 to Aug, 2018. 
 Adolf Wala is the chair of Oesterreichische Nationalbank from Sep, 1998 to Aug, 2003. 
 Reinhard Kamitz is the chair of Oesterreichische Nationalbank from Jun, 1960 to Jan, 1966. 
 Hellmuth Klauhs is the chair of Oesterreichische Nationalbank from Sep, 1988 to Apr, 1990. 
 Harald Mahrer is the chair of Oesterreichische Nationalbank from Sep, 2019 to Dec, 2022. 
 Herbert Schimetschek is the chair of Oesterreichische Nationalbank from Sep, 2003 to Aug, 2008.

Answer:
user
Ewald Nowotny
assistant
Question:
Who was the chair of Oesterreichische Nationalbank in Dec, 2009?

Context:
 Ewald Nowotny is the chair of Oesterreichische Nationalbank from Sep, 2008 to Aug, 2019. 
 Maria Schaumayer is the chair of Oesterreichische Nationalbank from Jun, 1990 to May, 1995. 
 Robert Holzmann is the chair of Oesterreichische Nationalbank from Sep, 2019 to Dec, 2022. 
 Andreas Korp is the chair of Oesterreichische Nationalbank from Sep, 1966 to Jan, 1968. 
 Heinz Kienzl is the chair of Oesterreichische Nationalbank from Apr, 1990 to May, 1990. 
 Klaus Liebscher is the chair of Oesterreichische Nationalbank from Sep, 1998 to Aug, 2008. 
 Hans Rizzi is the chair of Oesterreichische Nationalbank from Jul, 1945 to Mar, 1952. 
 Eugen Margarétha is the chair of Oesterreichische Nationalbank from Mar, 1952 to Jun, 1960. 
 Claus Raidl is the chair of Oesterreichische Nationalbank from Sep, 2008 to Aug, 2018. 
 Adolf Wala is the chair of Oesterreichische Nationalbank from Sep, 1998 to Aug, 2003. 
 Reinhard Kamitz is the chair of Oesterreichische Nationalbank from Jun, 1960 to Jan, 1966. 
 Hellmuth Klauhs is the chair of Oesterreichische Nationalbank from Sep, 1988 to Apr, 1990. 
 Harald Mahrer is the chair of Oesterreichische Nationalbank from Sep, 2019 to Dec, 2022. 
 Herbert Schimetschek is the chair of Oesterreichische Nationalbank from Sep, 2003 to Aug, 2008.

Answer:
user
Adolf Wala
Klaus Liebscher
Robert Holzmann
Hans Rizzi
Hellmuth Klauhs
Harald Mahrer
Maria Schaumayer
Eugen Margarétha
Heinz Kienzl
Andreas Korp
Herbert Schimetschek
Reinhard Kamitz
assistant
Question:
Who was the chair of Oesterreichische Nationalbank in Dec, 2009?

Context:
 Ewald Nowotny is the chair of Oesterreichische Nationalbank from Sep, 2008 to Aug, 2019. 
 Maria Schaumayer is the chair of Oesterreichische Nationalbank from Jun, 1990 to May, 1995. 
 Robert Holzmann is the chair of Oesterreichische Nationalbank from Sep, 2019 to Dec, 2022. 
 Andreas Korp is the chair of Oesterreichische Nationalbank from Sep, 1966 to Jan, 1968. 
 Heinz Kienzl is the chair of Oesterreichische Nationalbank from Apr, 1990 to May, 1990. 
 Klaus Liebscher is the chair of Oesterreichische Nationalbank from Sep, 1998 to Aug, 2008. 
 Hans Rizzi is the chair of Oesterreichische Nationalbank from Jul, 1945 to Mar, 1952. 
 Eugen Margarétha is the chair of Oesterreichische Nationalbank from Mar, 1952 to Jun, 1960. 
 Claus Raidl is the chair of Oesterreichische Nationalbank from Sep, 2008 to Aug, 2018. 
 Adolf Wala is the chair of Oesterreichische Nationalbank from Sep, 1998 to Aug, 2003. 
 Reinhard Kamitz is the chair of Oesterreichische Nationalbank from Jun, 1960 to Jan, 1966. 
 Hellmuth Klauhs is the chair of Oesterreichische Nationalbank from Sep, 1988 to Apr, 1990. 
 Harald Mahrer is the chair of Oesterreichische Nationalbank from Sep, 2019 to Dec, 2022. 
 Herbert Schimetschek is the chair of Oesterreichische Nationalbank from Sep, 2003 to Aug, 2008.

Answer:
user
Ewald Nowotny
assistant