Question:
Who was the chair of United Russia in Oct, 2009?

Context:
 Dmitry Medvedev is the chair of United Russia from May, 2012 to Dec, 2022. 
 Sergey Shoygu is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Boris Gryzlov is the chair of United Russia from Jan, 2002 to May, 2008. 
 Mintimer Şäymief is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Yury Luzhkov is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Vladimir Putin is the chair of United Russia from May, 2008 to May, 2012.

Answer:
Question:
Who was the chair of United Russia in Oct, 2009?

Context:
 Dmitry Medvedev is the chair of United Russia from May, 2012 to Dec, 2022. 
 Sergey Shoygu is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Boris Gryzlov is the chair of United Russia from Jan, 2002 to May, 2008. 
 Mintimer Şäymief is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Yury Luzhkov is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Vladimir Putin is the chair of United Russia from May, 2008 to May, 2012.

Answer:
user
Vladimir Putin
assistant
Question:
Who was the chair of United Russia in Oct, 2009?

Context:
 Dmitry Medvedev is the chair of United Russia from May, 2012 to Dec, 2022. 
 Sergey Shoygu is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Boris Gryzlov is the chair of United Russia from Jan, 2002 to May, 2008. 
 Mintimer Şäymief is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Yury Luzhkov is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Vladimir Putin is the chair of United Russia from May, 2008 to May, 2012.

Answer:
user
Mintimer Şäymief
Sergey Shoygu
Yury Luzhkov
Dmitry Medvedev
Boris Gryzlov
assistant
Question:
Who was the chair of United Russia in Oct, 2009?

Context:
 Dmitry Medvedev is the chair of United Russia from May, 2012 to Dec, 2022. 
 Sergey Shoygu is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Boris Gryzlov is the chair of United Russia from Jan, 2002 to May, 2008. 
 Mintimer Şäymief is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Yury Luzhkov is the chair of United Russia from Jan, 2001 to Jan, 2002. 
 Vladimir Putin is the chair of United Russia from May, 2008 to May, 2012.

Answer:
user
Vladimir Putin
assistant