Question:
Which employer did Sergei Nikolajewitsch Tschernikow work for in Sep, 1960?

Context:
 Sergei Nikolajewitsch Tschernikow works for Ural State University from Jan, 1946 to Jan, 1951. 
 Sergei Nikolajewitsch Tschernikow works for Steklov Institute of Mathematics from Jan, 1961 to Jan, 1965. 
 Sergei Nikolajewitsch Tschernikow works for Ural State Technical University from Jan, 1933 to Jan, 1940. 
 Sergei Nikolajewitsch Tschernikow works for Saratov State University from Jan, 1940 to Jan, 1946. 
 Sergei Nikolajewitsch Tschernikow works for Institute of Mathematics of the National Academy of Sciences of Ukraine from Jan, 1965 to Jan, 1987. 
 Sergei Nikolajewitsch Tschernikow works for Perm State University from Jan, 1951 to Jan, 1961.

Answer:
Question:
Which employer did Sergei Nikolajewitsch Tschernikow work for in Sep, 1960?

Context:
 Sergei Nikolajewitsch Tschernikow works for Ural State University from Jan, 1946 to Jan, 1951. 
 Sergei Nikolajewitsch Tschernikow works for Steklov Institute of Mathematics from Jan, 1961 to Jan, 1965. 
 Sergei Nikolajewitsch Tschernikow works for Ural State Technical University from Jan, 1933 to Jan, 1940. 
 Sergei Nikolajewitsch Tschernikow works for Saratov State University from Jan, 1940 to Jan, 1946. 
 Sergei Nikolajewitsch Tschernikow works for Institute of Mathematics of the National Academy of Sciences of Ukraine from Jan, 1965 to Jan, 1987. 
 Sergei Nikolajewitsch Tschernikow works for Perm State University from Jan, 1951 to Jan, 1961.

Answer:
user
Perm State University
assistant
Question:
Which employer did Sergei Nikolajewitsch Tschernikow work for in Sep, 1960?

Context:
 Sergei Nikolajewitsch Tschernikow works for Ural State University from Jan, 1946 to Jan, 1951. 
 Sergei Nikolajewitsch Tschernikow works for Steklov Institute of Mathematics from Jan, 1961 to Jan, 1965. 
 Sergei Nikolajewitsch Tschernikow works for Ural State Technical University from Jan, 1933 to Jan, 1940. 
 Sergei Nikolajewitsch Tschernikow works for Saratov State University from Jan, 1940 to Jan, 1946. 
 Sergei Nikolajewitsch Tschernikow works for Institute of Mathematics of the National Academy of Sciences of Ukraine from Jan, 1965 to Jan, 1987. 
 Sergei Nikolajewitsch Tschernikow works for Perm State University from Jan, 1951 to Jan, 1961.

Answer:
user
Steklov Institute of Mathematics
Institute of Mathematics of the National Academy of Sciences of Ukraine
Ural State Technical University
Ural State University
Saratov State University
assistant
Question:
Which employer did Sergei Nikolajewitsch Tschernikow work for in Sep, 1960?

Context:
 Sergei Nikolajewitsch Tschernikow works for Ural State University from Jan, 1946 to Jan, 1951. 
 Sergei Nikolajewitsch Tschernikow works for Steklov Institute of Mathematics from Jan, 1961 to Jan, 1965. 
 Sergei Nikolajewitsch Tschernikow works for Ural State Technical University from Jan, 1933 to Jan, 1940. 
 Sergei Nikolajewitsch Tschernikow works for Saratov State University from Jan, 1940 to Jan, 1946. 
 Sergei Nikolajewitsch Tschernikow works for Institute of Mathematics of the National Academy of Sciences of Ukraine from Jan, 1965 to Jan, 1987. 
 Sergei Nikolajewitsch Tschernikow works for Perm State University from Jan, 1951 to Jan, 1961.

Answer:
user
Perm State University
assistant