Question:
Who was the chair of Novosibirsk State University in Mar, 1979?

Context:
 Spartak Belyaev is the chair of Novosibirsk State University from Jan, 1965 to Jan, 1978. 
 Ilia Vekua is the chair of Novosibirsk State University from Jan, 1959 to Jan, 1964. 
 Mikhail Fedoruk is the chair of Novosibirsk State University from Jan, 2012 to Dec, 2022. 
 Nikolay Dikansky is the chair of Novosibirsk State University from Jan, 1997 to Jan, 2007. 
 Valentin Koptyug is the chair of Novosibirsk State University from Jan, 1978 to Jan, 1980.

Answer:
Question:
Who was the chair of Novosibirsk State University in Mar, 1979?

Context:
 Spartak Belyaev is the chair of Novosibirsk State University from Jan, 1965 to Jan, 1978. 
 Ilia Vekua is the chair of Novosibirsk State University from Jan, 1959 to Jan, 1964. 
 Mikhail Fedoruk is the chair of Novosibirsk State University from Jan, 2012 to Dec, 2022. 
 Nikolay Dikansky is the chair of Novosibirsk State University from Jan, 1997 to Jan, 2007. 
 Valentin Koptyug is the chair of Novosibirsk State University from Jan, 1978 to Jan, 1980.

Answer:
user
Valentin Koptyug
assistant
Question:
Who was the chair of Novosibirsk State University in Mar, 1979?

Context:
 Spartak Belyaev is the chair of Novosibirsk State University from Jan, 1965 to Jan, 1978. 
 Ilia Vekua is the chair of Novosibirsk State University from Jan, 1959 to Jan, 1964. 
 Mikhail Fedoruk is the chair of Novosibirsk State University from Jan, 2012 to Dec, 2022. 
 Nikolay Dikansky is the chair of Novosibirsk State University from Jan, 1997 to Jan, 2007. 
 Valentin Koptyug is the chair of Novosibirsk State University from Jan, 1978 to Jan, 1980.

Answer:
user
Spartak Belyaev
Mikhail Fedoruk
Ilia Vekua
Nikolay Dikansky
assistant
Question:
Who was the chair of Novosibirsk State University in Mar, 1979?

Context:
 Spartak Belyaev is the chair of Novosibirsk State University from Jan, 1965 to Jan, 1978. 
 Ilia Vekua is the chair of Novosibirsk State University from Jan, 1959 to Jan, 1964. 
 Mikhail Fedoruk is the chair of Novosibirsk State University from Jan, 2012 to Dec, 2022. 
 Nikolay Dikansky is the chair of Novosibirsk State University from Jan, 1997 to Jan, 2007. 
 Valentin Koptyug is the chair of Novosibirsk State University from Jan, 1978 to Jan, 1980.

Answer:
user
Valentin Koptyug
assistant