Question:
Who was the chair of German Aerospace Industries Association in Aug, 1979?

Context:
 Ludwig Bölkow is the chair of German Aerospace Industries Association from Jan, 1976 to Jan, 1982. 
 Tom Enders is the chair of German Aerospace Industries Association from Jan, 2005 to Jan, 2012. 
 Hanns-Arnt Vogels is the chair of German Aerospace Industries Association from Jan, 1988 to Jan, 1988. 
 Rudolf Lahs is the chair of German Aerospace Industries Association from Jan, 1929 to Jan, 1951. 
 Rainer Hertrich is the chair of German Aerospace Industries Association from Jan, 2001 to Jan, 2005. 
 Gustav Humbert is the chair of German Aerospace Industries Association from Jan, 1998 to Jan, 2001. 
 August Euler is the chair of German Aerospace Industries Association from Jan, 1911 to Jan, 1927.

Answer:
Question:
Who was the chair of German Aerospace Industries Association in Aug, 1979?

Context:
 Ludwig Bölkow is the chair of German Aerospace Industries Association from Jan, 1976 to Jan, 1982. 
 Tom Enders is the chair of German Aerospace Industries Association from Jan, 2005 to Jan, 2012. 
 Hanns-Arnt Vogels is the chair of German Aerospace Industries Association from Jan, 1988 to Jan, 1988. 
 Rudolf Lahs is the chair of German Aerospace Industries Association from Jan, 1929 to Jan, 1951. 
 Rainer Hertrich is the chair of German Aerospace Industries Association from Jan, 2001 to Jan, 2005. 
 Gustav Humbert is the chair of German Aerospace Industries Association from Jan, 1998 to Jan, 2001. 
 August Euler is the chair of German Aerospace Industries Association from Jan, 1911 to Jan, 1927.

Answer:
user
Ludwig Bölkow
assistant
Question:
Who was the chair of German Aerospace Industries Association in Aug, 1979?

Context:
 Ludwig Bölkow is the chair of German Aerospace Industries Association from Jan, 1976 to Jan, 1982. 
 Tom Enders is the chair of German Aerospace Industries Association from Jan, 2005 to Jan, 2012. 
 Hanns-Arnt Vogels is the chair of German Aerospace Industries Association from Jan, 1988 to Jan, 1988. 
 Rudolf Lahs is the chair of German Aerospace Industries Association from Jan, 1929 to Jan, 1951. 
 Rainer Hertrich is the chair of German Aerospace Industries Association from Jan, 2001 to Jan, 2005. 
 Gustav Humbert is the chair of German Aerospace Industries Association from Jan, 1998 to Jan, 2001. 
 August Euler is the chair of German Aerospace Industries Association from Jan, 1911 to Jan, 1927.

Answer:
user
Hanns-Arnt Vogels
Tom Enders
Rudolf Lahs
August Euler
Rainer Hertrich
Gustav Humbert
assistant
Question:
Who was the chair of German Aerospace Industries Association in Aug, 1979?

Context:
 Ludwig Bölkow is the chair of German Aerospace Industries Association from Jan, 1976 to Jan, 1982. 
 Tom Enders is the chair of German Aerospace Industries Association from Jan, 2005 to Jan, 2012. 
 Hanns-Arnt Vogels is the chair of German Aerospace Industries Association from Jan, 1988 to Jan, 1988. 
 Rudolf Lahs is the chair of German Aerospace Industries Association from Jan, 1929 to Jan, 1951. 
 Rainer Hertrich is the chair of German Aerospace Industries Association from Jan, 2001 to Jan, 2005. 
 Gustav Humbert is the chair of German Aerospace Industries Association from Jan, 1998 to Jan, 2001. 
 August Euler is the chair of German Aerospace Industries Association from Jan, 1911 to Jan, 1927.

Answer:
user
Ludwig Bölkow
assistant