Question:
Who was the chair of Public Affairs in Dec, 2007?

Context:
 Stanislava Moravcová is the chair of Public Affairs from Jan, 2003 to Jan, 2005. 
 Vít Bárta is the chair of Public Affairs from Jan, 2013 to Jan, 2014. 
 Radek John is the chair of Public Affairs from Jan, 2009 to Jan, 2013. 
 Jaroslav Škárka is the chair of Public Affairs from Jan, 2005 to Jan, 2009.

Answer:
Question:
Who was the chair of Public Affairs in Dec, 2007?

Context:
 Stanislava Moravcová is the chair of Public Affairs from Jan, 2003 to Jan, 2005. 
 Vít Bárta is the chair of Public Affairs from Jan, 2013 to Jan, 2014. 
 Radek John is the chair of Public Affairs from Jan, 2009 to Jan, 2013. 
 Jaroslav Škárka is the chair of Public Affairs from Jan, 2005 to Jan, 2009.

Answer:
user
Jaroslav Škárka
assistant
Question:
Who was the chair of Public Affairs in Dec, 2007?

Context:
 Stanislava Moravcová is the chair of Public Affairs from Jan, 2003 to Jan, 2005. 
 Vít Bárta is the chair of Public Affairs from Jan, 2013 to Jan, 2014. 
 Radek John is the chair of Public Affairs from Jan, 2009 to Jan, 2013. 
 Jaroslav Škárka is the chair of Public Affairs from Jan, 2005 to Jan, 2009.

Answer:
user
Radek John
Stanislava Moravcová
Vít Bárta
assistant
Question:
Who was the chair of Public Affairs in Dec, 2007?

Context:
 Stanislava Moravcová is the chair of Public Affairs from Jan, 2003 to Jan, 2005. 
 Vít Bárta is the chair of Public Affairs from Jan, 2013 to Jan, 2014. 
 Radek John is the chair of Public Affairs from Jan, 2009 to Jan, 2013. 
 Jaroslav Škárka is the chair of Public Affairs from Jan, 2005 to Jan, 2009.

Answer:
user
Jaroslav Škárka
assistant