Question:
Which employer did Jacob Tamarkin work for in Jul, 1919?

Context:
 Jacob Tamarkin works for Saint Petersburg State Polytechnical University from Jan, 1922 to Jan, 1925. 
 Jacob Tamarkin works for Dartmouth College from Jan, 1925 to Jan, 1927. 
 Jacob Tamarkin works for Perm State University from Jan, 1919 to Jan, 1920. 
 Jacob Tamarkin works for Brown University from Jan, 1927 to Jan, 1945.

Answer:
Question:
Which employer did Jacob Tamarkin work for in Jul, 1919?

Context:
 Jacob Tamarkin works for Saint Petersburg State Polytechnical University from Jan, 1922 to Jan, 1925. 
 Jacob Tamarkin works for Dartmouth College from Jan, 1925 to Jan, 1927. 
 Jacob Tamarkin works for Perm State University from Jan, 1919 to Jan, 1920. 
 Jacob Tamarkin works for Brown University from Jan, 1927 to Jan, 1945.

Answer:
user
Perm State University
assistant
Question:
Which employer did Jacob Tamarkin work for in Jul, 1919?

Context:
 Jacob Tamarkin works for Saint Petersburg State Polytechnical University from Jan, 1922 to Jan, 1925. 
 Jacob Tamarkin works for Dartmouth College from Jan, 1925 to Jan, 1927. 
 Jacob Tamarkin works for Perm State University from Jan, 1919 to Jan, 1920. 
 Jacob Tamarkin works for Brown University from Jan, 1927 to Jan, 1945.

Answer:
user
Saint Petersburg State Polytechnical University
Brown University
Dartmouth College
assistant
Question:
Which employer did Jacob Tamarkin work for in Jul, 1919?

Context:
 Jacob Tamarkin works for Saint Petersburg State Polytechnical University from Jan, 1922 to Jan, 1925. 
 Jacob Tamarkin works for Dartmouth College from Jan, 1925 to Jan, 1927. 
 Jacob Tamarkin works for Perm State University from Jan, 1919 to Jan, 1920. 
 Jacob Tamarkin works for Brown University from Jan, 1927 to Jan, 1945.

Answer:
user
Perm State University
assistant