Question:
Who was the chair of Ministry for Intra-German Relations in Apr, 1968?

Context:
 Egon Franke is the chair of Ministry for Intra-German Relations from Oct, 1969 to Oct, 1982. 
 Jakob Kaiser is the chair of Ministry for Intra-German Relations from Sep, 1949 to Oct, 1957. 
 Johann Baptist Gradl is the chair of Ministry for Intra-German Relations from Oct, 1966 to Nov, 1966. 
 Ernst Lemmer is the chair of Ministry for Intra-German Relations from Oct, 1957 to Dec, 1962. 
 Dorothee Wilms is the chair of Ministry for Intra-German Relations from Mar, 1987 to Jan, 1991. 
 Rainer Barzel is the chair of Ministry for Intra-German Relations from Oct, 1982 to Mar, 1983. 
 Heinrich Windelen is the chair of Ministry for Intra-German Relations from Mar, 1983 to Mar, 1987. 
 Herbert Wehner is the chair of Ministry for Intra-German Relations from Dec, 1966 to Oct, 1969. 
 Erich Mende is the chair of Ministry for Intra-German Relations from Oct, 1963 to Oct, 1966.

Answer:
Question:
Who was the chair of Ministry for Intra-German Relations in Apr, 1968?

Context:
 Egon Franke is the chair of Ministry for Intra-German Relations from Oct, 1969 to Oct, 1982. 
 Jakob Kaiser is the chair of Ministry for Intra-German Relations from Sep, 1949 to Oct, 1957. 
 Johann Baptist Gradl is the chair of Ministry for Intra-German Relations from Oct, 1966 to Nov, 1966. 
 Ernst Lemmer is the chair of Ministry for Intra-German Relations from Oct, 1957 to Dec, 1962. 
 Dorothee Wilms is the chair of Ministry for Intra-German Relations from Mar, 1987 to Jan, 1991. 
 Rainer Barzel is the chair of Ministry for Intra-German Relations from Oct, 1982 to Mar, 1983. 
 Heinrich Windelen is the chair of Ministry for Intra-German Relations from Mar, 1983 to Mar, 1987. 
 Herbert Wehner is the chair of Ministry for Intra-German Relations from Dec, 1966 to Oct, 1969. 
 Erich Mende is the chair of Ministry for Intra-German Relations from Oct, 1963 to Oct, 1966.

Answer:
user
Herbert Wehner
assistant
Question:
Who was the chair of Ministry for Intra-German Relations in Apr, 1968?

Context:
 Egon Franke is the chair of Ministry for Intra-German Relations from Oct, 1969 to Oct, 1982. 
 Jakob Kaiser is the chair of Ministry for Intra-German Relations from Sep, 1949 to Oct, 1957. 
 Johann Baptist Gradl is the chair of Ministry for Intra-German Relations from Oct, 1966 to Nov, 1966. 
 Ernst Lemmer is the chair of Ministry for Intra-German Relations from Oct, 1957 to Dec, 1962. 
 Dorothee Wilms is the chair of Ministry for Intra-German Relations from Mar, 1987 to Jan, 1991. 
 Rainer Barzel is the chair of Ministry for Intra-German Relations from Oct, 1982 to Mar, 1983. 
 Heinrich Windelen is the chair of Ministry for Intra-German Relations from Mar, 1983 to Mar, 1987. 
 Herbert Wehner is the chair of Ministry for Intra-German Relations from Dec, 1966 to Oct, 1969. 
 Erich Mende is the chair of Ministry for Intra-German Relations from Oct, 1963 to Oct, 1966.

Answer:
user
Rainer Barzel
Erich Mende
Jakob Kaiser
Heinrich Windelen
Ernst Lemmer
Johann Baptist Gradl
Egon Franke
Dorothee Wilms
assistant
Question:
Who was the chair of Ministry for Intra-German Relations in Apr, 1968?

Context:
 Egon Franke is the chair of Ministry for Intra-German Relations from Oct, 1969 to Oct, 1982. 
 Jakob Kaiser is the chair of Ministry for Intra-German Relations from Sep, 1949 to Oct, 1957. 
 Johann Baptist Gradl is the chair of Ministry for Intra-German Relations from Oct, 1966 to Nov, 1966. 
 Ernst Lemmer is the chair of Ministry for Intra-German Relations from Oct, 1957 to Dec, 1962. 
 Dorothee Wilms is the chair of Ministry for Intra-German Relations from Mar, 1987 to Jan, 1991. 
 Rainer Barzel is the chair of Ministry for Intra-German Relations from Oct, 1982 to Mar, 1983. 
 Heinrich Windelen is the chair of Ministry for Intra-German Relations from Mar, 1983 to Mar, 1987. 
 Herbert Wehner is the chair of Ministry for Intra-German Relations from Dec, 1966 to Oct, 1969. 
 Erich Mende is the chair of Ministry for Intra-German Relations from Oct, 1963 to Oct, 1966.

Answer:
user
Herbert Wehner
assistant