Question:
Who was the chair of Federal Ministry for Economic Cooperation and Development in Jan, 1990?

Context:
 Rainer Offergeld is the chair of Federal Ministry for Economic Cooperation and Development from Feb, 1978 to Oct, 1982. 
 Jürgen Warnke is the chair of Federal Ministry for Economic Cooperation and Development from Apr, 1989 to Jan, 1991. 
 Heidemarie Wieczorek-Zeul is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1998 to Oct, 2009. 
 Erhard Eppler is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1968 to Jul, 1974. 
 Gerd Müller is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 2013 to Dec, 2021. 
 Svenja Schulze is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 2021 to Dec, 2022. 
 Werner Dollinger is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1966 to Nov, 1966. 
 Dirk Niebel is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 2009 to Dec, 2013. 
 Walter Scheel is the chair of Federal Ministry for Economic Cooperation and Development from Nov, 1961 to Oct, 1966. 
 Hans-Jürgen Wischnewski is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 1966 to Oct, 1968. 
 Carl-Dieter Spranger is the chair of Federal Ministry for Economic Cooperation and Development from Jan, 1991 to Oct, 1998. 
 Egon Bahr is the chair of Federal Ministry for Economic Cooperation and Development from Jul, 1974 to Dec, 1976. 
 Marie Schlei is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 1976 to Feb, 1978. 
 Hans Klein is the chair of Federal Ministry for Economic Cooperation and Development from Mar, 1987 to Apr, 1989.

Answer:
Question:
Who was the chair of Federal Ministry for Economic Cooperation and Development in Jan, 1990?

Context:
 Rainer Offergeld is the chair of Federal Ministry for Economic Cooperation and Development from Feb, 1978 to Oct, 1982. 
 Jürgen Warnke is the chair of Federal Ministry for Economic Cooperation and Development from Apr, 1989 to Jan, 1991. 
 Heidemarie Wieczorek-Zeul is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1998 to Oct, 2009. 
 Erhard Eppler is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1968 to Jul, 1974. 
 Gerd Müller is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 2013 to Dec, 2021. 
 Svenja Schulze is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 2021 to Dec, 2022. 
 Werner Dollinger is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1966 to Nov, 1966. 
 Dirk Niebel is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 2009 to Dec, 2013. 
 Walter Scheel is the chair of Federal Ministry for Economic Cooperation and Development from Nov, 1961 to Oct, 1966. 
 Hans-Jürgen Wischnewski is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 1966 to Oct, 1968. 
 Carl-Dieter Spranger is the chair of Federal Ministry for Economic Cooperation and Development from Jan, 1991 to Oct, 1998. 
 Egon Bahr is the chair of Federal Ministry for Economic Cooperation and Development from Jul, 1974 to Dec, 1976. 
 Marie Schlei is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 1976 to Feb, 1978. 
 Hans Klein is the chair of Federal Ministry for Economic Cooperation and Development from Mar, 1987 to Apr, 1989.

Answer:
user
Jürgen Warnke
assistant
Question:
Who was the chair of Federal Ministry for Economic Cooperation and Development in Jan, 1990?

Context:
 Rainer Offergeld is the chair of Federal Ministry for Economic Cooperation and Development from Feb, 1978 to Oct, 1982. 
 Jürgen Warnke is the chair of Federal Ministry for Economic Cooperation and Development from Apr, 1989 to Jan, 1991. 
 Heidemarie Wieczorek-Zeul is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1998 to Oct, 2009. 
 Erhard Eppler is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1968 to Jul, 1974. 
 Gerd Müller is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 2013 to Dec, 2021. 
 Svenja Schulze is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 2021 to Dec, 2022. 
 Werner Dollinger is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1966 to Nov, 1966. 
 Dirk Niebel is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 2009 to Dec, 2013. 
 Walter Scheel is the chair of Federal Ministry for Economic Cooperation and Development from Nov, 1961 to Oct, 1966. 
 Hans-Jürgen Wischnewski is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 1966 to Oct, 1968. 
 Carl-Dieter Spranger is the chair of Federal Ministry for Economic Cooperation and Development from Jan, 1991 to Oct, 1998. 
 Egon Bahr is the chair of Federal Ministry for Economic Cooperation and Development from Jul, 1974 to Dec, 1976. 
 Marie Schlei is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 1976 to Feb, 1978. 
 Hans Klein is the chair of Federal Ministry for Economic Cooperation and Development from Mar, 1987 to Apr, 1989.

Answer:
user
Rainer Offergeld
Carl-Dieter Spranger
Werner Dollinger
Heidemarie Wieczorek-Zeul
Marie Schlei
Dirk Niebel
Egon Bahr
Hans Klein
Gerd Müller
Svenja Schulze
Walter Scheel
Hans-Jürgen Wischnewski
Erhard Eppler
assistant
Question:
Who was the chair of Federal Ministry for Economic Cooperation and Development in Jan, 1990?

Context:
 Rainer Offergeld is the chair of Federal Ministry for Economic Cooperation and Development from Feb, 1978 to Oct, 1982. 
 Jürgen Warnke is the chair of Federal Ministry for Economic Cooperation and Development from Apr, 1989 to Jan, 1991. 
 Heidemarie Wieczorek-Zeul is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1998 to Oct, 2009. 
 Erhard Eppler is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1968 to Jul, 1974. 
 Gerd Müller is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 2013 to Dec, 2021. 
 Svenja Schulze is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 2021 to Dec, 2022. 
 Werner Dollinger is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 1966 to Nov, 1966. 
 Dirk Niebel is the chair of Federal Ministry for Economic Cooperation and Development from Oct, 2009 to Dec, 2013. 
 Walter Scheel is the chair of Federal Ministry for Economic Cooperation and Development from Nov, 1961 to Oct, 1966. 
 Hans-Jürgen Wischnewski is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 1966 to Oct, 1968. 
 Carl-Dieter Spranger is the chair of Federal Ministry for Economic Cooperation and Development from Jan, 1991 to Oct, 1998. 
 Egon Bahr is the chair of Federal Ministry for Economic Cooperation and Development from Jul, 1974 to Dec, 1976. 
 Marie Schlei is the chair of Federal Ministry for Economic Cooperation and Development from Dec, 1976 to Feb, 1978. 
 Hans Klein is the chair of Federal Ministry for Economic Cooperation and Development from Mar, 1987 to Apr, 1989.

Answer:
user
Jürgen Warnke
assistant