Question:
Who was the chair of Federal Foreign Office in Apr, 1970?

Context:
 Gerhard Schröder is the chair of Federal Foreign Office from Nov, 1961 to Dec, 1966. 
 Frank-Walter Steinmeier is the chair of Federal Foreign Office from Dec, 2013 to Jan, 2017. 
 Klaus Kinkel is the chair of Federal Foreign Office from May, 1992 to Oct, 1998. 
 Willy Brandt is the chair of Federal Foreign Office from Dec, 1966 to Oct, 1969. 
 Heinrich von Brentano is the chair of Federal Foreign Office from Jun, 1955 to Oct, 1961. 
 Heiko Maas is the chair of Federal Foreign Office from Mar, 2018 to Dec, 2021. 
 Walter Scheel is the chair of Federal Foreign Office from Oct, 1969 to May, 1974. 
 Konrad Adenauer is the chair of Federal Foreign Office from Mar, 1951 to Jun, 1955. 
 Helmut Schmidt is the chair of Federal Foreign Office from Sep, 1982 to Oct, 1982. 
 Annalena Baerbock is the chair of Federal Foreign Office from Dec, 2021 to Dec, 2022. 
 Sigmar Gabriel is the chair of Federal Foreign Office from Jan, 2017 to Mar, 2018. 
 Hans-Dietrich Genscher is the chair of Federal Foreign Office from Oct, 1982 to May, 1992. 
 Joschka Fischer is the chair of Federal Foreign Office from Oct, 1998 to Nov, 2005. 
 Guido Westerwelle is the chair of Federal Foreign Office from Oct, 2009 to Dec, 2013.

Answer:
Question:
Who was the chair of Federal Foreign Office in Apr, 1970?

Context:
 Gerhard Schröder is the chair of Federal Foreign Office from Nov, 1961 to Dec, 1966. 
 Frank-Walter Steinmeier is the chair of Federal Foreign Office from Dec, 2013 to Jan, 2017. 
 Klaus Kinkel is the chair of Federal Foreign Office from May, 1992 to Oct, 1998. 
 Willy Brandt is the chair of Federal Foreign Office from Dec, 1966 to Oct, 1969. 
 Heinrich von Brentano is the chair of Federal Foreign Office from Jun, 1955 to Oct, 1961. 
 Heiko Maas is the chair of Federal Foreign Office from Mar, 2018 to Dec, 2021. 
 Walter Scheel is the chair of Federal Foreign Office from Oct, 1969 to May, 1974. 
 Konrad Adenauer is the chair of Federal Foreign Office from Mar, 1951 to Jun, 1955. 
 Helmut Schmidt is the chair of Federal Foreign Office from Sep, 1982 to Oct, 1982. 
 Annalena Baerbock is the chair of Federal Foreign Office from Dec, 2021 to Dec, 2022. 
 Sigmar Gabriel is the chair of Federal Foreign Office from Jan, 2017 to Mar, 2018. 
 Hans-Dietrich Genscher is the chair of Federal Foreign Office from Oct, 1982 to May, 1992. 
 Joschka Fischer is the chair of Federal Foreign Office from Oct, 1998 to Nov, 2005. 
 Guido Westerwelle is the chair of Federal Foreign Office from Oct, 2009 to Dec, 2013.

Answer:
user
Walter Scheel
assistant
Question:
Who was the chair of Federal Foreign Office in Apr, 1970?

Context:
 Gerhard Schröder is the chair of Federal Foreign Office from Nov, 1961 to Dec, 1966. 
 Frank-Walter Steinmeier is the chair of Federal Foreign Office from Dec, 2013 to Jan, 2017. 
 Klaus Kinkel is the chair of Federal Foreign Office from May, 1992 to Oct, 1998. 
 Willy Brandt is the chair of Federal Foreign Office from Dec, 1966 to Oct, 1969. 
 Heinrich von Brentano is the chair of Federal Foreign Office from Jun, 1955 to Oct, 1961. 
 Heiko Maas is the chair of Federal Foreign Office from Mar, 2018 to Dec, 2021. 
 Walter Scheel is the chair of Federal Foreign Office from Oct, 1969 to May, 1974. 
 Konrad Adenauer is the chair of Federal Foreign Office from Mar, 1951 to Jun, 1955. 
 Helmut Schmidt is the chair of Federal Foreign Office from Sep, 1982 to Oct, 1982. 
 Annalena Baerbock is the chair of Federal Foreign Office from Dec, 2021 to Dec, 2022. 
 Sigmar Gabriel is the chair of Federal Foreign Office from Jan, 2017 to Mar, 2018. 
 Hans-Dietrich Genscher is the chair of Federal Foreign Office from Oct, 1982 to May, 1992. 
 Joschka Fischer is the chair of Federal Foreign Office from Oct, 1998 to Nov, 2005. 
 Guido Westerwelle is the chair of Federal Foreign Office from Oct, 2009 to Dec, 2013.

Answer:
user
Konrad Adenauer
Sigmar Gabriel
Helmut Schmidt
Heiko Maas
Guido Westerwelle
Hans-Dietrich Genscher
Willy Brandt
Heinrich von Brentano
Gerhard Schröder
Klaus Kinkel
Frank-Walter Steinmeier
Joschka Fischer
Annalena Baerbock
assistant
Question:
Who was the chair of Federal Foreign Office in Apr, 1970?

Context:
 Gerhard Schröder is the chair of Federal Foreign Office from Nov, 1961 to Dec, 1966. 
 Frank-Walter Steinmeier is the chair of Federal Foreign Office from Dec, 2013 to Jan, 2017. 
 Klaus Kinkel is the chair of Federal Foreign Office from May, 1992 to Oct, 1998. 
 Willy Brandt is the chair of Federal Foreign Office from Dec, 1966 to Oct, 1969. 
 Heinrich von Brentano is the chair of Federal Foreign Office from Jun, 1955 to Oct, 1961. 
 Heiko Maas is the chair of Federal Foreign Office from Mar, 2018 to Dec, 2021. 
 Walter Scheel is the chair of Federal Foreign Office from Oct, 1969 to May, 1974. 
 Konrad Adenauer is the chair of Federal Foreign Office from Mar, 1951 to Jun, 1955. 
 Helmut Schmidt is the chair of Federal Foreign Office from Sep, 1982 to Oct, 1982. 
 Annalena Baerbock is the chair of Federal Foreign Office from Dec, 2021 to Dec, 2022. 
 Sigmar Gabriel is the chair of Federal Foreign Office from Jan, 2017 to Mar, 2018. 
 Hans-Dietrich Genscher is the chair of Federal Foreign Office from Oct, 1982 to May, 1992. 
 Joschka Fischer is the chair of Federal Foreign Office from Oct, 1998 to Nov, 2005. 
 Guido Westerwelle is the chair of Federal Foreign Office from Oct, 2009 to Dec, 2013.

Answer:
user
Walter Scheel
assistant