Question:
Who was the chair of Konrad Adenauer Foundation in Dec, 1999?

Context:
 Günter Rinsche is the chair of Konrad Adenauer Foundation from Jan, 1995 to Jan, 2001. 
 Bruno Heck is the chair of Konrad Adenauer Foundation from Jan, 1955 to Jan, 1958. 
 Norbert Lammert is the chair of Konrad Adenauer Foundation from Jan, 2018 to Dec, 2022. 
 Alfred Müller-Armack is the chair of Konrad Adenauer Foundation from Jan, 1964 to Jan, 1968. 
 Hans-Gert Pöttering is the chair of Konrad Adenauer Foundation from Jan, 2010 to Jan, 2018. 
 Arnold Bergstraesser is the chair of Konrad Adenauer Foundation from Jan, 1958 to Jan, 1964. 
 Bernhard Vogel is the chair of Konrad Adenauer Foundation from Jan, 1989 to Jan, 1995.

Answer:
Question:
Who was the chair of Konrad Adenauer Foundation in Dec, 1999?

Context:
 Günter Rinsche is the chair of Konrad Adenauer Foundation from Jan, 1995 to Jan, 2001. 
 Bruno Heck is the chair of Konrad Adenauer Foundation from Jan, 1955 to Jan, 1958. 
 Norbert Lammert is the chair of Konrad Adenauer Foundation from Jan, 2018 to Dec, 2022. 
 Alfred Müller-Armack is the chair of Konrad Adenauer Foundation from Jan, 1964 to Jan, 1968. 
 Hans-Gert Pöttering is the chair of Konrad Adenauer Foundation from Jan, 2010 to Jan, 2018. 
 Arnold Bergstraesser is the chair of Konrad Adenauer Foundation from Jan, 1958 to Jan, 1964. 
 Bernhard Vogel is the chair of Konrad Adenauer Foundation from Jan, 1989 to Jan, 1995.

Answer:
user
Günter Rinsche
assistant
Question:
Who was the chair of Konrad Adenauer Foundation in Dec, 1999?

Context:
 Günter Rinsche is the chair of Konrad Adenauer Foundation from Jan, 1995 to Jan, 2001. 
 Bruno Heck is the chair of Konrad Adenauer Foundation from Jan, 1955 to Jan, 1958. 
 Norbert Lammert is the chair of Konrad Adenauer Foundation from Jan, 2018 to Dec, 2022. 
 Alfred Müller-Armack is the chair of Konrad Adenauer Foundation from Jan, 1964 to Jan, 1968. 
 Hans-Gert Pöttering is the chair of Konrad Adenauer Foundation from Jan, 2010 to Jan, 2018. 
 Arnold Bergstraesser is the chair of Konrad Adenauer Foundation from Jan, 1958 to Jan, 1964. 
 Bernhard Vogel is the chair of Konrad Adenauer Foundation from Jan, 1989 to Jan, 1995.

Answer:
user
Bernhard Vogel
Bruno Heck
Alfred Müller-Armack
Norbert Lammert
Arnold Bergstraesser
Hans-Gert Pöttering
assistant
Question:
Who was the chair of Konrad Adenauer Foundation in Dec, 1999?

Context:
 Günter Rinsche is the chair of Konrad Adenauer Foundation from Jan, 1995 to Jan, 2001. 
 Bruno Heck is the chair of Konrad Adenauer Foundation from Jan, 1955 to Jan, 1958. 
 Norbert Lammert is the chair of Konrad Adenauer Foundation from Jan, 2018 to Dec, 2022. 
 Alfred Müller-Armack is the chair of Konrad Adenauer Foundation from Jan, 1964 to Jan, 1968. 
 Hans-Gert Pöttering is the chair of Konrad Adenauer Foundation from Jan, 2010 to Jan, 2018. 
 Arnold Bergstraesser is the chair of Konrad Adenauer Foundation from Jan, 1958 to Jan, 1964. 
 Bernhard Vogel is the chair of Konrad Adenauer Foundation from Jan, 1989 to Jan, 1995.

Answer:
user
Günter Rinsche
assistant