Question:
Who was the chair of German Research Foundation in Jul, 2003?

Context:
 Julius Speer is the chair of German Research Foundation from Jan, 1964 to Jan, 1973. 
 Ludwig Raiser is the chair of German Research Foundation from Jan, 1952 to Jan, 1955. 
 Heinz Maier-Leibnitz is the chair of German Research Foundation from Jan, 1973 to Jan, 1979. 
 Friedrich Schmidt-Ott is the chair of German Research Foundation from Jan, 1929 to Jan, 1934. 
 Eugen Seibold is the chair of German Research Foundation from Jan, 1980 to Jan, 1985. 
 Johannes Stark is the chair of German Research Foundation from Jan, 1934 to Jan, 1936. 
 Wolfgang Frühwald is the chair of German Research Foundation from Jan, 1992 to Jan, 1997. 
 Rudolf Mentzel is the chair of German Research Foundation from Jan, 1936 to Jan, 1945. 
 Katja Becker is the chair of German Research Foundation from Jan, 2020 to Dec, 2022. 
 Ernst-Ludwig Winnacker is the chair of German Research Foundation from Jan, 1998 to Jan, 2006. 
 Hubert Markl is the chair of German Research Foundation from Jan, 1986 to Jan, 1991. 
 Matthias Kleiner is the chair of German Research Foundation from Jan, 2007 to Jan, 2012. 
 Gerhard Hess is the chair of German Research Foundation from Jan, 1955 to Jan, 1964. 
 Peter Strohschneider is the chair of German Research Foundation from Jan, 2013 to Jan, 2019.

Answer:
Question:
Who was the chair of German Research Foundation in Jul, 2003?

Context:
 Julius Speer is the chair of German Research Foundation from Jan, 1964 to Jan, 1973. 
 Ludwig Raiser is the chair of German Research Foundation from Jan, 1952 to Jan, 1955. 
 Heinz Maier-Leibnitz is the chair of German Research Foundation from Jan, 1973 to Jan, 1979. 
 Friedrich Schmidt-Ott is the chair of German Research Foundation from Jan, 1929 to Jan, 1934. 
 Eugen Seibold is the chair of German Research Foundation from Jan, 1980 to Jan, 1985. 
 Johannes Stark is the chair of German Research Foundation from Jan, 1934 to Jan, 1936. 
 Wolfgang Frühwald is the chair of German Research Foundation from Jan, 1992 to Jan, 1997. 
 Rudolf Mentzel is the chair of German Research Foundation from Jan, 1936 to Jan, 1945. 
 Katja Becker is the chair of German Research Foundation from Jan, 2020 to Dec, 2022. 
 Ernst-Ludwig Winnacker is the chair of German Research Foundation from Jan, 1998 to Jan, 2006. 
 Hubert Markl is the chair of German Research Foundation from Jan, 1986 to Jan, 1991. 
 Matthias Kleiner is the chair of German Research Foundation from Jan, 2007 to Jan, 2012. 
 Gerhard Hess is the chair of German Research Foundation from Jan, 1955 to Jan, 1964. 
 Peter Strohschneider is the chair of German Research Foundation from Jan, 2013 to Jan, 2019.

Answer:
user
Ernst-Ludwig Winnacker
assistant
Question:
Who was the chair of German Research Foundation in Jul, 2003?

Context:
 Julius Speer is the chair of German Research Foundation from Jan, 1964 to Jan, 1973. 
 Ludwig Raiser is the chair of German Research Foundation from Jan, 1952 to Jan, 1955. 
 Heinz Maier-Leibnitz is the chair of German Research Foundation from Jan, 1973 to Jan, 1979. 
 Friedrich Schmidt-Ott is the chair of German Research Foundation from Jan, 1929 to Jan, 1934. 
 Eugen Seibold is the chair of German Research Foundation from Jan, 1980 to Jan, 1985. 
 Johannes Stark is the chair of German Research Foundation from Jan, 1934 to Jan, 1936. 
 Wolfgang Frühwald is the chair of German Research Foundation from Jan, 1992 to Jan, 1997. 
 Rudolf Mentzel is the chair of German Research Foundation from Jan, 1936 to Jan, 1945. 
 Katja Becker is the chair of German Research Foundation from Jan, 2020 to Dec, 2022. 
 Ernst-Ludwig Winnacker is the chair of German Research Foundation from Jan, 1998 to Jan, 2006. 
 Hubert Markl is the chair of German Research Foundation from Jan, 1986 to Jan, 1991. 
 Matthias Kleiner is the chair of German Research Foundation from Jan, 2007 to Jan, 2012. 
 Gerhard Hess is the chair of German Research Foundation from Jan, 1955 to Jan, 1964. 
 Peter Strohschneider is the chair of German Research Foundation from Jan, 2013 to Jan, 2019.

Answer:
user
Friedrich Schmidt-Ott
Hubert Markl
Heinz Maier-Leibnitz
Katja Becker
Julius Speer
Ludwig Raiser
Peter Strohschneider
Gerhard Hess
Eugen Seibold
Johannes Stark
Rudolf Mentzel
Wolfgang Frühwald
Matthias Kleiner
assistant
Question:
Who was the chair of German Research Foundation in Jul, 2003?

Context:
 Julius Speer is the chair of German Research Foundation from Jan, 1964 to Jan, 1973. 
 Ludwig Raiser is the chair of German Research Foundation from Jan, 1952 to Jan, 1955. 
 Heinz Maier-Leibnitz is the chair of German Research Foundation from Jan, 1973 to Jan, 1979. 
 Friedrich Schmidt-Ott is the chair of German Research Foundation from Jan, 1929 to Jan, 1934. 
 Eugen Seibold is the chair of German Research Foundation from Jan, 1980 to Jan, 1985. 
 Johannes Stark is the chair of German Research Foundation from Jan, 1934 to Jan, 1936. 
 Wolfgang Frühwald is the chair of German Research Foundation from Jan, 1992 to Jan, 1997. 
 Rudolf Mentzel is the chair of German Research Foundation from Jan, 1936 to Jan, 1945. 
 Katja Becker is the chair of German Research Foundation from Jan, 2020 to Dec, 2022. 
 Ernst-Ludwig Winnacker is the chair of German Research Foundation from Jan, 1998 to Jan, 2006. 
 Hubert Markl is the chair of German Research Foundation from Jan, 1986 to Jan, 1991. 
 Matthias Kleiner is the chair of German Research Foundation from Jan, 2007 to Jan, 2012. 
 Gerhard Hess is the chair of German Research Foundation from Jan, 1955 to Jan, 1964. 
 Peter Strohschneider is the chair of German Research Foundation from Jan, 2013 to Jan, 2019.

Answer:
user
Ernst-Ludwig Winnacker
assistant