Question:
Which employer did Dmitry Mishin work for in Dec, 1968?

Context:
 Dmitry Mishin works for Ural State University from Jan, 1951 to Jan, 1971. 
 Dmitry Mishin works for Tver State University from Jan, 1971 to Jan, 1998. 
 Dmitry Mishin works for Urals Optical-Mechanical Plant from Jan, 1942 to Jan, 1948.

Answer:
Question:
Which employer did Dmitry Mishin work for in Dec, 1968?

Context:
 Dmitry Mishin works for Ural State University from Jan, 1951 to Jan, 1971. 
 Dmitry Mishin works for Tver State University from Jan, 1971 to Jan, 1998. 
 Dmitry Mishin works for Urals Optical-Mechanical Plant from Jan, 1942 to Jan, 1948.

Answer:
user
Ural State University
assistant
Question:
Which employer did Dmitry Mishin work for in Dec, 1968?

Context:
 Dmitry Mishin works for Ural State University from Jan, 1951 to Jan, 1971. 
 Dmitry Mishin works for Tver State University from Jan, 1971 to Jan, 1998. 
 Dmitry Mishin works for Urals Optical-Mechanical Plant from Jan, 1942 to Jan, 1948.

Answer:
user
Tver State University
Urals Optical-Mechanical Plant
assistant
Question:
Which employer did Dmitry Mishin work for in Dec, 1968?

Context:
 Dmitry Mishin works for Ural State University from Jan, 1951 to Jan, 1971. 
 Dmitry Mishin works for Tver State University from Jan, 1971 to Jan, 1998. 
 Dmitry Mishin works for Urals Optical-Mechanical Plant from Jan, 1942 to Jan, 1948.

Answer:
user
Ural State University
assistant