Question:
Who was the chair of German Aerospace Industries Association in Jan, 1988?

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

Answer:
Question:
Who was the chair of German Aerospace Industries Association in Jan, 1988?

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

Answer:
user
Hanns-Arnt Vogels
assistant
Question:
Who was the chair of German Aerospace Industries Association in Jan, 1988?

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

Answer:
user
Ludwig Bölkow
Tom Enders
Rudolf Lahs
August Euler
Rainer Hertrich
Gustav Humbert
assistant
Question:
Who was the chair of German Aerospace Industries Association in Jan, 1988?

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

Answer:
user
Hanns-Arnt Vogels
assistant