Question:
Which employer did Frank C. Whitmore work for in Apr, 1928?

Context:
 Frank C. Whitmore works for University of Minnesota from Jan, 1918 to Jan, 1920. 
 Frank C. Whitmore works for Northwestern University from Jan, 1920 to Jan, 1929. 
 Frank C. Whitmore works for Pennsylvania State University from Jan, 1929 to Jan, 1947.

Answer:
Question:
Which employer did Frank C. Whitmore work for in Apr, 1928?

Context:
 Frank C. Whitmore works for University of Minnesota from Jan, 1918 to Jan, 1920. 
 Frank C. Whitmore works for Northwestern University from Jan, 1920 to Jan, 1929. 
 Frank C. Whitmore works for Pennsylvania State University from Jan, 1929 to Jan, 1947.

Answer:
user
Northwestern University
assistant
Question:
Which employer did Frank C. Whitmore work for in Apr, 1928?

Context:
 Frank C. Whitmore works for University of Minnesota from Jan, 1918 to Jan, 1920. 
 Frank C. Whitmore works for Northwestern University from Jan, 1920 to Jan, 1929. 
 Frank C. Whitmore works for Pennsylvania State University from Jan, 1929 to Jan, 1947.

Answer:
user
Pennsylvania State University
University of Minnesota
assistant
Question:
Which employer did Frank C. Whitmore work for in Apr, 1928?

Context:
 Frank C. Whitmore works for University of Minnesota from Jan, 1918 to Jan, 1920. 
 Frank C. Whitmore works for Northwestern University from Jan, 1920 to Jan, 1929. 
 Frank C. Whitmore works for Pennsylvania State University from Jan, 1929 to Jan, 1947.

Answer:
user
Northwestern University
assistant