Question:
Who was the chair of Oesterreichische Nationalbank in May, 2021?

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

Answer:
Question:
Who was the chair of Oesterreichische Nationalbank in May, 2021?

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

Answer:
user
Robert Holzmann
assistant
Question:
Who was the chair of Oesterreichische Nationalbank in May, 2021?

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

Answer:
user
Adolf Wala
Klaus Liebscher
Claus Raidl
Hans Rizzi
Ewald Nowotny
Hellmuth Klauhs
Maria Schaumayer
Eugen Margarétha
Heinz Kienzl
Andreas Korp
Herbert Schimetschek
Reinhard Kamitz
assistant
Question:
Who was the chair of Oesterreichische Nationalbank in May, 2021?

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

Answer:
user
Robert Holzmann
assistant