Question:
Who was the chair of Federal Chancellery in Nov, 1972?

Context:
 Gerhard Konow is the chair of Federal Chancellery from Apr, 1982 to Oct, 1982. 
 Helge Braun is the chair of Federal Chancellery from Mar, 2018 to Dec, 2021. 
 Ludger Westrick is the chair of Federal Chancellery from Oct, 1963 to Dec, 1966. 
 Werner Knieper is the chair of Federal Chancellery from Dec, 1966 to Dec, 1967. 
 Friedrich Bohl is the chair of Federal Chancellery from Nov, 1991 to Oct, 1998. 
 Karl Carstens is the chair of Federal Chancellery from Jan, 1968 to Oct, 1969. 
 Horst Grabert is the chair of Federal Chancellery from Dec, 1972 to May, 1974. 
 Bodo Hombach is the chair of Federal Chancellery from Oct, 1998 to Jul, 1999. 
 Waldemar Schreckenberger is the chair of Federal Chancellery from Oct, 1982 to Nov, 1984. 
 Ronald Pofalla is the chair of Federal Chancellery from Oct, 2009 to Dec, 2013. 
 Wolfgang Schäuble is the chair of Federal Chancellery from Nov, 1984 to Apr, 1989. 
 Frank-Walter Steinmeier is the chair of Federal Chancellery from Aug, 1999 to Nov, 2005. 
 Otto Lenz is the chair of Federal Chancellery from Jan, 1951 to Sep, 1953. 
 Thomas de Maizière is the chair of Federal Chancellery from Nov, 2005 to Oct, 2009. 
 Franz-Josef Wuermeling is the chair of Federal Chancellery from Oct, 1949 to Jan, 1951. 
 Rudolf Seiters is the chair of Federal Chancellery from Apr, 1989 to Nov, 1991. 
 Manfred Lahnstein is the chair of Federal Chancellery from Dec, 1980 to Apr, 1982. 
 Hans Globke is the chair of Federal Chancellery from Oct, 1953 to Oct, 1963. 
 Horst Ehmke is the chair of Federal Chancellery from Oct, 1969 to Dec, 1972. 
 Peter Altmaier is the chair of Federal Chancellery from Dec, 2013 to Mar, 2018.

Answer:
Question:
Who was the chair of Federal Chancellery in Nov, 1972?

Context:
 Gerhard Konow is the chair of Federal Chancellery from Apr, 1982 to Oct, 1982. 
 Helge Braun is the chair of Federal Chancellery from Mar, 2018 to Dec, 2021. 
 Ludger Westrick is the chair of Federal Chancellery from Oct, 1963 to Dec, 1966. 
 Werner Knieper is the chair of Federal Chancellery from Dec, 1966 to Dec, 1967. 
 Friedrich Bohl is the chair of Federal Chancellery from Nov, 1991 to Oct, 1998. 
 Karl Carstens is the chair of Federal Chancellery from Jan, 1968 to Oct, 1969. 
 Horst Grabert is the chair of Federal Chancellery from Dec, 1972 to May, 1974. 
 Bodo Hombach is the chair of Federal Chancellery from Oct, 1998 to Jul, 1999. 
 Waldemar Schreckenberger is the chair of Federal Chancellery from Oct, 1982 to Nov, 1984. 
 Ronald Pofalla is the chair of Federal Chancellery from Oct, 2009 to Dec, 2013. 
 Wolfgang Schäuble is the chair of Federal Chancellery from Nov, 1984 to Apr, 1989. 
 Frank-Walter Steinmeier is the chair of Federal Chancellery from Aug, 1999 to Nov, 2005. 
 Otto Lenz is the chair of Federal Chancellery from Jan, 1951 to Sep, 1953. 
 Thomas de Maizière is the chair of Federal Chancellery from Nov, 2005 to Oct, 2009. 
 Franz-Josef Wuermeling is the chair of Federal Chancellery from Oct, 1949 to Jan, 1951. 
 Rudolf Seiters is the chair of Federal Chancellery from Apr, 1989 to Nov, 1991. 
 Manfred Lahnstein is the chair of Federal Chancellery from Dec, 1980 to Apr, 1982. 
 Hans Globke is the chair of Federal Chancellery from Oct, 1953 to Oct, 1963. 
 Horst Ehmke is the chair of Federal Chancellery from Oct, 1969 to Dec, 1972. 
 Peter Altmaier is the chair of Federal Chancellery from Dec, 2013 to Mar, 2018.

Answer:
user
Horst Ehmke
assistant
Question:
Who was the chair of Federal Chancellery in Nov, 1972?

Context:
 Gerhard Konow is the chair of Federal Chancellery from Apr, 1982 to Oct, 1982. 
 Helge Braun is the chair of Federal Chancellery from Mar, 2018 to Dec, 2021. 
 Ludger Westrick is the chair of Federal Chancellery from Oct, 1963 to Dec, 1966. 
 Werner Knieper is the chair of Federal Chancellery from Dec, 1966 to Dec, 1967. 
 Friedrich Bohl is the chair of Federal Chancellery from Nov, 1991 to Oct, 1998. 
 Karl Carstens is the chair of Federal Chancellery from Jan, 1968 to Oct, 1969. 
 Horst Grabert is the chair of Federal Chancellery from Dec, 1972 to May, 1974. 
 Bodo Hombach is the chair of Federal Chancellery from Oct, 1998 to Jul, 1999. 
 Waldemar Schreckenberger is the chair of Federal Chancellery from Oct, 1982 to Nov, 1984. 
 Ronald Pofalla is the chair of Federal Chancellery from Oct, 2009 to Dec, 2013. 
 Wolfgang Schäuble is the chair of Federal Chancellery from Nov, 1984 to Apr, 1989. 
 Frank-Walter Steinmeier is the chair of Federal Chancellery from Aug, 1999 to Nov, 2005. 
 Otto Lenz is the chair of Federal Chancellery from Jan, 1951 to Sep, 1953. 
 Thomas de Maizière is the chair of Federal Chancellery from Nov, 2005 to Oct, 2009. 
 Franz-Josef Wuermeling is the chair of Federal Chancellery from Oct, 1949 to Jan, 1951. 
 Rudolf Seiters is the chair of Federal Chancellery from Apr, 1989 to Nov, 1991. 
 Manfred Lahnstein is the chair of Federal Chancellery from Dec, 1980 to Apr, 1982. 
 Hans Globke is the chair of Federal Chancellery from Oct, 1953 to Oct, 1963. 
 Horst Ehmke is the chair of Federal Chancellery from Oct, 1969 to Dec, 1972. 
 Peter Altmaier is the chair of Federal Chancellery from Dec, 2013 to Mar, 2018.

Answer:
user
Manfred Lahnstein
Peter Altmaier
Karl Carstens
Werner Knieper
Helge Braun
Thomas de Maizière
Friedrich Bohl
Hans Globke
Otto Lenz
Rudolf Seiters
Wolfgang Schäuble
Franz-Josef Wuermeling
Ludger Westrick
Gerhard Konow
Waldemar Schreckenberger
Bodo Hombach
Ronald Pofalla
Frank-Walter Steinmeier
Horst Grabert
assistant
Question:
Who was the chair of Federal Chancellery in Nov, 1972?

Context:
 Gerhard Konow is the chair of Federal Chancellery from Apr, 1982 to Oct, 1982. 
 Helge Braun is the chair of Federal Chancellery from Mar, 2018 to Dec, 2021. 
 Ludger Westrick is the chair of Federal Chancellery from Oct, 1963 to Dec, 1966. 
 Werner Knieper is the chair of Federal Chancellery from Dec, 1966 to Dec, 1967. 
 Friedrich Bohl is the chair of Federal Chancellery from Nov, 1991 to Oct, 1998. 
 Karl Carstens is the chair of Federal Chancellery from Jan, 1968 to Oct, 1969. 
 Horst Grabert is the chair of Federal Chancellery from Dec, 1972 to May, 1974. 
 Bodo Hombach is the chair of Federal Chancellery from Oct, 1998 to Jul, 1999. 
 Waldemar Schreckenberger is the chair of Federal Chancellery from Oct, 1982 to Nov, 1984. 
 Ronald Pofalla is the chair of Federal Chancellery from Oct, 2009 to Dec, 2013. 
 Wolfgang Schäuble is the chair of Federal Chancellery from Nov, 1984 to Apr, 1989. 
 Frank-Walter Steinmeier is the chair of Federal Chancellery from Aug, 1999 to Nov, 2005. 
 Otto Lenz is the chair of Federal Chancellery from Jan, 1951 to Sep, 1953. 
 Thomas de Maizière is the chair of Federal Chancellery from Nov, 2005 to Oct, 2009. 
 Franz-Josef Wuermeling is the chair of Federal Chancellery from Oct, 1949 to Jan, 1951. 
 Rudolf Seiters is the chair of Federal Chancellery from Apr, 1989 to Nov, 1991. 
 Manfred Lahnstein is the chair of Federal Chancellery from Dec, 1980 to Apr, 1982. 
 Hans Globke is the chair of Federal Chancellery from Oct, 1953 to Oct, 1963. 
 Horst Ehmke is the chair of Federal Chancellery from Oct, 1969 to Dec, 1972. 
 Peter Altmaier is the chair of Federal Chancellery from Dec, 2013 to Mar, 2018.

Answer:
user
Horst Ehmke
assistant