Question:
Who was the chair of Bundesdenkmalamt in Nov, 1991?

Context:
 Walter Frodl is the chair of Bundesdenkmalamt from Jan, 1965 to Jan, 1970. 
 Gerhard Seiler is the chair of Bundesdenkmalamt from Jan, 1982 to Jan, 1997. 
 Archduke Franz Ferdinand is the chair of Bundesdenkmalamt from Jan, 1910 to Jan, 1914. 
 Otto Demus is the chair of Bundesdenkmalamt from Jan, 1946 to Jan, 1964. 
 Joseph Alexander von Helfert is the chair of Bundesdenkmalamt from Jan, 1863 to Jan, 1910. 
 Karl von Czoernig-Czernhausen is the chair of Bundesdenkmalamt from Jan, 1852 to Jan, 1863.

Answer:
Question:
Who was the chair of Bundesdenkmalamt in Nov, 1991?

Context:
 Walter Frodl is the chair of Bundesdenkmalamt from Jan, 1965 to Jan, 1970. 
 Gerhard Seiler is the chair of Bundesdenkmalamt from Jan, 1982 to Jan, 1997. 
 Archduke Franz Ferdinand is the chair of Bundesdenkmalamt from Jan, 1910 to Jan, 1914. 
 Otto Demus is the chair of Bundesdenkmalamt from Jan, 1946 to Jan, 1964. 
 Joseph Alexander von Helfert is the chair of Bundesdenkmalamt from Jan, 1863 to Jan, 1910. 
 Karl von Czoernig-Czernhausen is the chair of Bundesdenkmalamt from Jan, 1852 to Jan, 1863.

Answer:
user
Gerhard Seiler
assistant
Question:
Who was the chair of Bundesdenkmalamt in Nov, 1991?

Context:
 Walter Frodl is the chair of Bundesdenkmalamt from Jan, 1965 to Jan, 1970. 
 Gerhard Seiler is the chair of Bundesdenkmalamt from Jan, 1982 to Jan, 1997. 
 Archduke Franz Ferdinand is the chair of Bundesdenkmalamt from Jan, 1910 to Jan, 1914. 
 Otto Demus is the chair of Bundesdenkmalamt from Jan, 1946 to Jan, 1964. 
 Joseph Alexander von Helfert is the chair of Bundesdenkmalamt from Jan, 1863 to Jan, 1910. 
 Karl von Czoernig-Czernhausen is the chair of Bundesdenkmalamt from Jan, 1852 to Jan, 1863.

Answer:
user
Archduke Franz Ferdinand
Karl von Czoernig-Czernhausen
Joseph Alexander von Helfert
Walter Frodl
Otto Demus
assistant
Question:
Who was the chair of Bundesdenkmalamt in Nov, 1991?

Context:
 Walter Frodl is the chair of Bundesdenkmalamt from Jan, 1965 to Jan, 1970. 
 Gerhard Seiler is the chair of Bundesdenkmalamt from Jan, 1982 to Jan, 1997. 
 Archduke Franz Ferdinand is the chair of Bundesdenkmalamt from Jan, 1910 to Jan, 1914. 
 Otto Demus is the chair of Bundesdenkmalamt from Jan, 1946 to Jan, 1964. 
 Joseph Alexander von Helfert is the chair of Bundesdenkmalamt from Jan, 1863 to Jan, 1910. 
 Karl von Czoernig-Czernhausen is the chair of Bundesdenkmalamt from Jan, 1852 to Jan, 1863.

Answer:
user
Gerhard Seiler
assistant