Question:
Which employer did Klaus Zwickel work for in Mar, 1996?

Context:
 Klaus Zwickel works for IG Metall from Jan, 1986 to Jan, 2003. 
 Klaus Zwickel works for IG Metall Stuttgart from Jan, 1984 to Jan, 1986. 
 Klaus Zwickel works for IG Metall Heilbronn-Neckarsulm from Jan, 1968 to Jan, 1984.

Answer:
Question:
Which employer did Klaus Zwickel work for in Mar, 1996?

Context:
 Klaus Zwickel works for IG Metall from Jan, 1986 to Jan, 2003. 
 Klaus Zwickel works for IG Metall Stuttgart from Jan, 1984 to Jan, 1986. 
 Klaus Zwickel works for IG Metall Heilbronn-Neckarsulm from Jan, 1968 to Jan, 1984.

Answer:
user
IG Metall
assistant
Question:
Which employer did Klaus Zwickel work for in Mar, 1996?

Context:
 Klaus Zwickel works for IG Metall from Jan, 1986 to Jan, 2003. 
 Klaus Zwickel works for IG Metall Stuttgart from Jan, 1984 to Jan, 1986. 
 Klaus Zwickel works for IG Metall Heilbronn-Neckarsulm from Jan, 1968 to Jan, 1984.

Answer:
user
IG Metall Stuttgart
IG Metall Heilbronn-Neckarsulm
assistant
Question:
Which employer did Klaus Zwickel work for in Mar, 1996?

Context:
 Klaus Zwickel works for IG Metall from Jan, 1986 to Jan, 2003. 
 Klaus Zwickel works for IG Metall Stuttgart from Jan, 1984 to Jan, 1986. 
 Klaus Zwickel works for IG Metall Heilbronn-Neckarsulm from Jan, 1968 to Jan, 1984.

Answer:
user
IG Metall
assistant