Question:
Which employer did Frank Nelson Cole work for in May, 1907?

Context:
 Frank Nelson Cole works for University of Michigan from Jan, 1888 to Jan, 1895. 
 Frank Nelson Cole works for Columbia University from Jan, 1895 to Jan, 1926. 
 Frank Nelson Cole works for Harvard University from Jan, 1886 to Jan, 1888.

Answer:
Question:
Which employer did Frank Nelson Cole work for in May, 1907?

Context:
 Frank Nelson Cole works for University of Michigan from Jan, 1888 to Jan, 1895. 
 Frank Nelson Cole works for Columbia University from Jan, 1895 to Jan, 1926. 
 Frank Nelson Cole works for Harvard University from Jan, 1886 to Jan, 1888.

Answer:
user
Columbia University
assistant
Question:
Which employer did Frank Nelson Cole work for in May, 1907?

Context:
 Frank Nelson Cole works for University of Michigan from Jan, 1888 to Jan, 1895. 
 Frank Nelson Cole works for Columbia University from Jan, 1895 to Jan, 1926. 
 Frank Nelson Cole works for Harvard University from Jan, 1886 to Jan, 1888.

Answer:
user
University of Michigan
Harvard University
assistant
Question:
Which employer did Frank Nelson Cole work for in May, 1907?

Context:
 Frank Nelson Cole works for University of Michigan from Jan, 1888 to Jan, 1895. 
 Frank Nelson Cole works for Columbia University from Jan, 1895 to Jan, 1926. 
 Frank Nelson Cole works for Harvard University from Jan, 1886 to Jan, 1888.

Answer:
user
Columbia University
assistant