Question:
Who was the chair of Center for Advanced Visual Studies in Feb, 2007?

Context:
 Otto Piene is the chair of Center for Advanced Visual Studies from Jan, 1974 to Jan, 1994. 
 Krzysztof Wodiczko is the chair of Center for Advanced Visual Studies from Jan, 2004 to Jan, 2009. 
 Stephen Benton is the chair of Center for Advanced Visual Studies from Jan, 1996 to Jan, 2003. 
 György Kepes is the chair of Center for Advanced Visual Studies from Jan, 1967 to Jan, 1974.

Answer:
Question:
Who was the chair of Center for Advanced Visual Studies in Feb, 2007?

Context:
 Otto Piene is the chair of Center for Advanced Visual Studies from Jan, 1974 to Jan, 1994. 
 Krzysztof Wodiczko is the chair of Center for Advanced Visual Studies from Jan, 2004 to Jan, 2009. 
 Stephen Benton is the chair of Center for Advanced Visual Studies from Jan, 1996 to Jan, 2003. 
 György Kepes is the chair of Center for Advanced Visual Studies from Jan, 1967 to Jan, 1974.

Answer:
user
Krzysztof Wodiczko
assistant
Question:
Who was the chair of Center for Advanced Visual Studies in Feb, 2007?

Context:
 Otto Piene is the chair of Center for Advanced Visual Studies from Jan, 1974 to Jan, 1994. 
 Krzysztof Wodiczko is the chair of Center for Advanced Visual Studies from Jan, 2004 to Jan, 2009. 
 Stephen Benton is the chair of Center for Advanced Visual Studies from Jan, 1996 to Jan, 2003. 
 György Kepes is the chair of Center for Advanced Visual Studies from Jan, 1967 to Jan, 1974.

Answer:
user
György Kepes
Otto Piene
Stephen Benton
assistant
Question:
Who was the chair of Center for Advanced Visual Studies in Feb, 2007?

Context:
 Otto Piene is the chair of Center for Advanced Visual Studies from Jan, 1974 to Jan, 1994. 
 Krzysztof Wodiczko is the chair of Center for Advanced Visual Studies from Jan, 2004 to Jan, 2009. 
 Stephen Benton is the chair of Center for Advanced Visual Studies from Jan, 1996 to Jan, 2003. 
 György Kepes is the chair of Center for Advanced Visual Studies from Jan, 1967 to Jan, 1974.

Answer:
user
Krzysztof Wodiczko
assistant