Question:
Who was the chair of Embassy of Ukraine, Minsk in Apr, 2012?

Context:
 Víktor Tykhonov is the chair of Embassy of Ukraine, Minsk from Aug, 2011 to Nov, 2012. 
 Mykhailo Yezhel is the chair of Embassy of Ukraine, Minsk from Apr, 2013 to May, 2015. 
 Roman Bezsmertnyi is the chair of Embassy of Ukraine, Minsk from Feb, 2010 to Jun, 2011. 
 Ihor Kyzym is the chair of Embassy of Ukraine, Minsk from Feb, 2017 to Dec, 2022. 
 Anatolii Dron is the chair of Embassy of Ukraine, Minsk from Jan, 1998 to Jun, 2003. 
 Volodymyr Zheliba is the chair of Embassy of Ukraine, Minsk from Mar, 1992 to Jan, 1998. 
 Valentyn Nalyvaichenko is the chair of Embassy of Ukraine, Minsk from Dec, 2005 to May, 2006. 
 I. D.  Likhovyĭ is the chair of Embassy of Ukraine, Minsk from Feb, 2007 to Feb, 2010.

Answer:
Question:
Who was the chair of Embassy of Ukraine, Minsk in Apr, 2012?

Context:
 Víktor Tykhonov is the chair of Embassy of Ukraine, Minsk from Aug, 2011 to Nov, 2012. 
 Mykhailo Yezhel is the chair of Embassy of Ukraine, Minsk from Apr, 2013 to May, 2015. 
 Roman Bezsmertnyi is the chair of Embassy of Ukraine, Minsk from Feb, 2010 to Jun, 2011. 
 Ihor Kyzym is the chair of Embassy of Ukraine, Minsk from Feb, 2017 to Dec, 2022. 
 Anatolii Dron is the chair of Embassy of Ukraine, Minsk from Jan, 1998 to Jun, 2003. 
 Volodymyr Zheliba is the chair of Embassy of Ukraine, Minsk from Mar, 1992 to Jan, 1998. 
 Valentyn Nalyvaichenko is the chair of Embassy of Ukraine, Minsk from Dec, 2005 to May, 2006. 
 I. D.  Likhovyĭ is the chair of Embassy of Ukraine, Minsk from Feb, 2007 to Feb, 2010.

Answer:
user
Víktor Tykhonov
assistant
Question:
Who was the chair of Embassy of Ukraine, Minsk in Apr, 2012?

Context:
 Víktor Tykhonov is the chair of Embassy of Ukraine, Minsk from Aug, 2011 to Nov, 2012. 
 Mykhailo Yezhel is the chair of Embassy of Ukraine, Minsk from Apr, 2013 to May, 2015. 
 Roman Bezsmertnyi is the chair of Embassy of Ukraine, Minsk from Feb, 2010 to Jun, 2011. 
 Ihor Kyzym is the chair of Embassy of Ukraine, Minsk from Feb, 2017 to Dec, 2022. 
 Anatolii Dron is the chair of Embassy of Ukraine, Minsk from Jan, 1998 to Jun, 2003. 
 Volodymyr Zheliba is the chair of Embassy of Ukraine, Minsk from Mar, 1992 to Jan, 1998. 
 Valentyn Nalyvaichenko is the chair of Embassy of Ukraine, Minsk from Dec, 2005 to May, 2006. 
 I. D.  Likhovyĭ is the chair of Embassy of Ukraine, Minsk from Feb, 2007 to Feb, 2010.

Answer:
user
Volodymyr Zheliba
Anatolii Dron
Ihor Kyzym
Mykhailo Yezhel
Valentyn Nalyvaichenko
Roman Bezsmertnyi
I. D.  Likhovyĭ
assistant
Question:
Who was the chair of Embassy of Ukraine, Minsk in Apr, 2012?

Context:
 Víktor Tykhonov is the chair of Embassy of Ukraine, Minsk from Aug, 2011 to Nov, 2012. 
 Mykhailo Yezhel is the chair of Embassy of Ukraine, Minsk from Apr, 2013 to May, 2015. 
 Roman Bezsmertnyi is the chair of Embassy of Ukraine, Minsk from Feb, 2010 to Jun, 2011. 
 Ihor Kyzym is the chair of Embassy of Ukraine, Minsk from Feb, 2017 to Dec, 2022. 
 Anatolii Dron is the chair of Embassy of Ukraine, Minsk from Jan, 1998 to Jun, 2003. 
 Volodymyr Zheliba is the chair of Embassy of Ukraine, Minsk from Mar, 1992 to Jan, 1998. 
 Valentyn Nalyvaichenko is the chair of Embassy of Ukraine, Minsk from Dec, 2005 to May, 2006. 
 I. D.  Likhovyĭ is the chair of Embassy of Ukraine, Minsk from Feb, 2007 to Feb, 2010.

Answer:
user
Víktor Tykhonov
assistant