Question:
Who was the head of Vladivostok in Feb, 2001?

Context:
 Oleg Vladimirovich Humeniuk is the head of the government of Vladivostok from Apr, 2019 to May, 2021. 
 Viktor Cherepkov is the head of the government of Vladivostok from Sep, 1996 to Nov, 1998. 
 Igor Pushkaryov is the head of the government of Vladivostok from May, 2008 to Nov, 2017. 
 Yuri Mikhailovich Kopylov is the head of the government of Vladivostok from Jun, 2000 to Jul, 2004.

Answer:
Question:
Who was the head of Vladivostok in Feb, 2001?

Context:
 Oleg Vladimirovich Humeniuk is the head of the government of Vladivostok from Apr, 2019 to May, 2021. 
 Viktor Cherepkov is the head of the government of Vladivostok from Sep, 1996 to Nov, 1998. 
 Igor Pushkaryov is the head of the government of Vladivostok from May, 2008 to Nov, 2017. 
 Yuri Mikhailovich Kopylov is the head of the government of Vladivostok from Jun, 2000 to Jul, 2004.

Answer:
user
Yuri Mikhailovich Kopylov
assistant
Question:
Who was the head of Vladivostok in Feb, 2001?

Context:
 Oleg Vladimirovich Humeniuk is the head of the government of Vladivostok from Apr, 2019 to May, 2021. 
 Viktor Cherepkov is the head of the government of Vladivostok from Sep, 1996 to Nov, 1998. 
 Igor Pushkaryov is the head of the government of Vladivostok from May, 2008 to Nov, 2017. 
 Yuri Mikhailovich Kopylov is the head of the government of Vladivostok from Jun, 2000 to Jul, 2004.

Answer:
user
Igor Pushkaryov
Oleg Vladimirovich Humeniuk
Viktor Cherepkov
assistant
Question:
Who was the head of Vladivostok in Feb, 2001?

Context:
 Oleg Vladimirovich Humeniuk is the head of the government of Vladivostok from Apr, 2019 to May, 2021. 
 Viktor Cherepkov is the head of the government of Vladivostok from Sep, 1996 to Nov, 1998. 
 Igor Pushkaryov is the head of the government of Vladivostok from May, 2008 to Nov, 2017. 
 Yuri Mikhailovich Kopylov is the head of the government of Vladivostok from Jun, 2000 to Jul, 2004.

Answer:
user
Yuri Mikhailovich Kopylov
assistant