Question:
Who was the chair of Landtag of Bavaria in Dec, 2009?

Context:
 Barbara Stamm is the chair of Landtag of Bavaria from Oct, 2008 to Nov, 2018. 
 Rudolf Hanauer is the chair of Landtag of Bavaria from Jan, 1960 to Oct, 1978. 
 Michael Horlacher is the chair of Landtag of Bavaria from Dec, 1946 to Feb, 1950. 
 Georg Stang is the chair of Landtag of Bavaria from Feb, 1950 to May, 1951. 
 Franz Heubl is the chair of Landtag of Bavaria from Oct, 1978 to Oct, 1990. 
 Ilse Aigner is the chair of Landtag of Bavaria from Nov, 2018 to Dec, 2022. 
 Johann Böhm is the chair of Landtag of Bavaria from Oct, 1994 to Oct, 2003. 
 Alois Glück is the chair of Landtag of Bavaria from Oct, 2003 to Oct, 2008. 
 Wilhelm Vorndran is the chair of Landtag of Bavaria from Oct, 1990 to Oct, 1994. 
 Hans Ehard is the chair of Landtag of Bavaria from Dec, 1954 to Jan, 1960. 
 Alois Hundhammer is the chair of Landtag of Bavaria from Jun, 1951 to Dec, 1954.

Answer:
Question:
Who was the chair of Landtag of Bavaria in Dec, 2009?

Context:
 Barbara Stamm is the chair of Landtag of Bavaria from Oct, 2008 to Nov, 2018. 
 Rudolf Hanauer is the chair of Landtag of Bavaria from Jan, 1960 to Oct, 1978. 
 Michael Horlacher is the chair of Landtag of Bavaria from Dec, 1946 to Feb, 1950. 
 Georg Stang is the chair of Landtag of Bavaria from Feb, 1950 to May, 1951. 
 Franz Heubl is the chair of Landtag of Bavaria from Oct, 1978 to Oct, 1990. 
 Ilse Aigner is the chair of Landtag of Bavaria from Nov, 2018 to Dec, 2022. 
 Johann Böhm is the chair of Landtag of Bavaria from Oct, 1994 to Oct, 2003. 
 Alois Glück is the chair of Landtag of Bavaria from Oct, 2003 to Oct, 2008. 
 Wilhelm Vorndran is the chair of Landtag of Bavaria from Oct, 1990 to Oct, 1994. 
 Hans Ehard is the chair of Landtag of Bavaria from Dec, 1954 to Jan, 1960. 
 Alois Hundhammer is the chair of Landtag of Bavaria from Jun, 1951 to Dec, 1954.

Answer:
user
Barbara Stamm
assistant
Question:
Who was the chair of Landtag of Bavaria in Dec, 2009?

Context:
 Barbara Stamm is the chair of Landtag of Bavaria from Oct, 2008 to Nov, 2018. 
 Rudolf Hanauer is the chair of Landtag of Bavaria from Jan, 1960 to Oct, 1978. 
 Michael Horlacher is the chair of Landtag of Bavaria from Dec, 1946 to Feb, 1950. 
 Georg Stang is the chair of Landtag of Bavaria from Feb, 1950 to May, 1951. 
 Franz Heubl is the chair of Landtag of Bavaria from Oct, 1978 to Oct, 1990. 
 Ilse Aigner is the chair of Landtag of Bavaria from Nov, 2018 to Dec, 2022. 
 Johann Böhm is the chair of Landtag of Bavaria from Oct, 1994 to Oct, 2003. 
 Alois Glück is the chair of Landtag of Bavaria from Oct, 2003 to Oct, 2008. 
 Wilhelm Vorndran is the chair of Landtag of Bavaria from Oct, 1990 to Oct, 1994. 
 Hans Ehard is the chair of Landtag of Bavaria from Dec, 1954 to Jan, 1960. 
 Alois Hundhammer is the chair of Landtag of Bavaria from Jun, 1951 to Dec, 1954.

Answer:
user
Alois Hundhammer
Michael Horlacher
Georg Stang
Johann Böhm
Hans Ehard
Wilhelm Vorndran
Rudolf Hanauer
Alois Glück
Ilse Aigner
Franz Heubl
assistant
Question:
Who was the chair of Landtag of Bavaria in Dec, 2009?

Context:
 Barbara Stamm is the chair of Landtag of Bavaria from Oct, 2008 to Nov, 2018. 
 Rudolf Hanauer is the chair of Landtag of Bavaria from Jan, 1960 to Oct, 1978. 
 Michael Horlacher is the chair of Landtag of Bavaria from Dec, 1946 to Feb, 1950. 
 Georg Stang is the chair of Landtag of Bavaria from Feb, 1950 to May, 1951. 
 Franz Heubl is the chair of Landtag of Bavaria from Oct, 1978 to Oct, 1990. 
 Ilse Aigner is the chair of Landtag of Bavaria from Nov, 2018 to Dec, 2022. 
 Johann Böhm is the chair of Landtag of Bavaria from Oct, 1994 to Oct, 2003. 
 Alois Glück is the chair of Landtag of Bavaria from Oct, 2003 to Oct, 2008. 
 Wilhelm Vorndran is the chair of Landtag of Bavaria from Oct, 1990 to Oct, 1994. 
 Hans Ehard is the chair of Landtag of Bavaria from Dec, 1954 to Jan, 1960. 
 Alois Hundhammer is the chair of Landtag of Bavaria from Jun, 1951 to Dec, 1954.

Answer:
user
Barbara Stamm
assistant