Question:
Who was the chair of Federal Ministry of Education and Research in Aug, 1964?

Context:
 Annette Schavan is the chair of Federal Ministry of Education and Research from Nov, 2005 to Feb, 2013. 
 Björn Engholm is the chair of Federal Ministry of Education and Research from Jan, 1981 to Oct, 1982. 
 Franz Josef Strauß is the chair of Federal Ministry of Education and Research from Oct, 1955 to Oct, 1956. 
 Bettina Stark-Watzinger is the chair of Federal Ministry of Education and Research from Dec, 2021 to Dec, 2022. 
 Johanna Wanka is the chair of Federal Ministry of Education and Research from Feb, 2013 to Mar, 2018. 
 Jürgen Schmude is the chair of Federal Ministry of Education and Research from Feb, 1978 to Jan, 1981. 
 Siegfried Balke is the chair of Federal Ministry of Education and Research from Oct, 1956 to Dec, 1962. 
 Gerhard Stoltenberg is the chair of Federal Ministry of Education and Research from Oct, 1965 to Oct, 1969. 
 Helmut Rohde is the chair of Federal Ministry of Education and Research from May, 1974 to Feb, 1978. 
 Rainer Ortleb is the chair of Federal Ministry of Education and Research from Jan, 1991 to Feb, 1994. 
 Hans Lenz is the chair of Federal Ministry of Education and Research from Dec, 1962 to Oct, 1965. 
 Jürgen Rüttgers is the chair of Federal Ministry of Education and Research from Nov, 1994 to Oct, 1998. 
 Dorothee Wilms is the chair of Federal Ministry of Education and Research from Oct, 1982 to Mar, 1987. 
 Klaus von Dohnanyi is the chair of Federal Ministry of Education and Research from Mar, 1972 to May, 1974. 
 Edelgard Bulmahn is the chair of Federal Ministry of Education and Research from Oct, 1998 to Nov, 2005. 
 Jürgen Möllemann is the chair of Federal Ministry of Education and Research from Mar, 1987 to Jan, 1991. 
 Anja Karliczek is the chair of Federal Ministry of Education and Research from Mar, 2018 to Dec, 2021. 
 Hans Leussink is the chair of Federal Ministry of Education and Research from Oct, 1969 to Mar, 1972. 
 Karl-Hans Laermann is the chair of Federal Ministry of Education and Research from Feb, 1994 to Nov, 1994.

Answer:
Question:
Who was the chair of Federal Ministry of Education and Research in Aug, 1964?

Context:
 Annette Schavan is the chair of Federal Ministry of Education and Research from Nov, 2005 to Feb, 2013. 
 Björn Engholm is the chair of Federal Ministry of Education and Research from Jan, 1981 to Oct, 1982. 
 Franz Josef Strauß is the chair of Federal Ministry of Education and Research from Oct, 1955 to Oct, 1956. 
 Bettina Stark-Watzinger is the chair of Federal Ministry of Education and Research from Dec, 2021 to Dec, 2022. 
 Johanna Wanka is the chair of Federal Ministry of Education and Research from Feb, 2013 to Mar, 2018. 
 Jürgen Schmude is the chair of Federal Ministry of Education and Research from Feb, 1978 to Jan, 1981. 
 Siegfried Balke is the chair of Federal Ministry of Education and Research from Oct, 1956 to Dec, 1962. 
 Gerhard Stoltenberg is the chair of Federal Ministry of Education and Research from Oct, 1965 to Oct, 1969. 
 Helmut Rohde is the chair of Federal Ministry of Education and Research from May, 1974 to Feb, 1978. 
 Rainer Ortleb is the chair of Federal Ministry of Education and Research from Jan, 1991 to Feb, 1994. 
 Hans Lenz is the chair of Federal Ministry of Education and Research from Dec, 1962 to Oct, 1965. 
 Jürgen Rüttgers is the chair of Federal Ministry of Education and Research from Nov, 1994 to Oct, 1998. 
 Dorothee Wilms is the chair of Federal Ministry of Education and Research from Oct, 1982 to Mar, 1987. 
 Klaus von Dohnanyi is the chair of Federal Ministry of Education and Research from Mar, 1972 to May, 1974. 
 Edelgard Bulmahn is the chair of Federal Ministry of Education and Research from Oct, 1998 to Nov, 2005. 
 Jürgen Möllemann is the chair of Federal Ministry of Education and Research from Mar, 1987 to Jan, 1991. 
 Anja Karliczek is the chair of Federal Ministry of Education and Research from Mar, 2018 to Dec, 2021. 
 Hans Leussink is the chair of Federal Ministry of Education and Research from Oct, 1969 to Mar, 1972. 
 Karl-Hans Laermann is the chair of Federal Ministry of Education and Research from Feb, 1994 to Nov, 1994.

Answer:
user
Hans Lenz
assistant
Question:
Who was the chair of Federal Ministry of Education and Research in Aug, 1964?

Context:
 Annette Schavan is the chair of Federal Ministry of Education and Research from Nov, 2005 to Feb, 2013. 
 Björn Engholm is the chair of Federal Ministry of Education and Research from Jan, 1981 to Oct, 1982. 
 Franz Josef Strauß is the chair of Federal Ministry of Education and Research from Oct, 1955 to Oct, 1956. 
 Bettina Stark-Watzinger is the chair of Federal Ministry of Education and Research from Dec, 2021 to Dec, 2022. 
 Johanna Wanka is the chair of Federal Ministry of Education and Research from Feb, 2013 to Mar, 2018. 
 Jürgen Schmude is the chair of Federal Ministry of Education and Research from Feb, 1978 to Jan, 1981. 
 Siegfried Balke is the chair of Federal Ministry of Education and Research from Oct, 1956 to Dec, 1962. 
 Gerhard Stoltenberg is the chair of Federal Ministry of Education and Research from Oct, 1965 to Oct, 1969. 
 Helmut Rohde is the chair of Federal Ministry of Education and Research from May, 1974 to Feb, 1978. 
 Rainer Ortleb is the chair of Federal Ministry of Education and Research from Jan, 1991 to Feb, 1994. 
 Hans Lenz is the chair of Federal Ministry of Education and Research from Dec, 1962 to Oct, 1965. 
 Jürgen Rüttgers is the chair of Federal Ministry of Education and Research from Nov, 1994 to Oct, 1998. 
 Dorothee Wilms is the chair of Federal Ministry of Education and Research from Oct, 1982 to Mar, 1987. 
 Klaus von Dohnanyi is the chair of Federal Ministry of Education and Research from Mar, 1972 to May, 1974. 
 Edelgard Bulmahn is the chair of Federal Ministry of Education and Research from Oct, 1998 to Nov, 2005. 
 Jürgen Möllemann is the chair of Federal Ministry of Education and Research from Mar, 1987 to Jan, 1991. 
 Anja Karliczek is the chair of Federal Ministry of Education and Research from Mar, 2018 to Dec, 2021. 
 Hans Leussink is the chair of Federal Ministry of Education and Research from Oct, 1969 to Mar, 1972. 
 Karl-Hans Laermann is the chair of Federal Ministry of Education and Research from Feb, 1994 to Nov, 1994.

Answer:
user
Rainer Ortleb
Jürgen Schmude
Edelgard Bulmahn
Jürgen Möllemann
Johanna Wanka
Helmut Rohde
Anja Karliczek
Dorothee Wilms
Hans Leussink
Bettina Stark-Watzinger
Björn Engholm
Franz Josef Strauß
Karl-Hans Laermann
Gerhard Stoltenberg
Jürgen Rüttgers
Annette Schavan
Klaus von Dohnanyi
Siegfried Balke
assistant
Question:
Who was the chair of Federal Ministry of Education and Research in Aug, 1964?

Context:
 Annette Schavan is the chair of Federal Ministry of Education and Research from Nov, 2005 to Feb, 2013. 
 Björn Engholm is the chair of Federal Ministry of Education and Research from Jan, 1981 to Oct, 1982. 
 Franz Josef Strauß is the chair of Federal Ministry of Education and Research from Oct, 1955 to Oct, 1956. 
 Bettina Stark-Watzinger is the chair of Federal Ministry of Education and Research from Dec, 2021 to Dec, 2022. 
 Johanna Wanka is the chair of Federal Ministry of Education and Research from Feb, 2013 to Mar, 2018. 
 Jürgen Schmude is the chair of Federal Ministry of Education and Research from Feb, 1978 to Jan, 1981. 
 Siegfried Balke is the chair of Federal Ministry of Education and Research from Oct, 1956 to Dec, 1962. 
 Gerhard Stoltenberg is the chair of Federal Ministry of Education and Research from Oct, 1965 to Oct, 1969. 
 Helmut Rohde is the chair of Federal Ministry of Education and Research from May, 1974 to Feb, 1978. 
 Rainer Ortleb is the chair of Federal Ministry of Education and Research from Jan, 1991 to Feb, 1994. 
 Hans Lenz is the chair of Federal Ministry of Education and Research from Dec, 1962 to Oct, 1965. 
 Jürgen Rüttgers is the chair of Federal Ministry of Education and Research from Nov, 1994 to Oct, 1998. 
 Dorothee Wilms is the chair of Federal Ministry of Education and Research from Oct, 1982 to Mar, 1987. 
 Klaus von Dohnanyi is the chair of Federal Ministry of Education and Research from Mar, 1972 to May, 1974. 
 Edelgard Bulmahn is the chair of Federal Ministry of Education and Research from Oct, 1998 to Nov, 2005. 
 Jürgen Möllemann is the chair of Federal Ministry of Education and Research from Mar, 1987 to Jan, 1991. 
 Anja Karliczek is the chair of Federal Ministry of Education and Research from Mar, 2018 to Dec, 2021. 
 Hans Leussink is the chair of Federal Ministry of Education and Research from Oct, 1969 to Mar, 1972. 
 Karl-Hans Laermann is the chair of Federal Ministry of Education and Research from Feb, 1994 to Nov, 1994.

Answer:
user
Hans Lenz
assistant