Question:
Which employer did John D. Eshelby work for in Dec, 1964?

Context:
 John D. Eshelby works for University of Birmingham from Jan, 1954 to Jan, 1964. 
 John D. Eshelby works for Churchill College from Jan, 1964 to Jan, 1965. 
 John D. Eshelby works for University of Sheffield from Jan, 1966 to Jan, 1981.

Answer:
Question:
Which employer did John D. Eshelby work for in Dec, 1964?

Context:
 John D. Eshelby works for University of Birmingham from Jan, 1954 to Jan, 1964. 
 John D. Eshelby works for Churchill College from Jan, 1964 to Jan, 1965. 
 John D. Eshelby works for University of Sheffield from Jan, 1966 to Jan, 1981.

Answer:
user
Churchill College
assistant
Question:
Which employer did John D. Eshelby work for in Dec, 1964?

Context:
 John D. Eshelby works for University of Birmingham from Jan, 1954 to Jan, 1964. 
 John D. Eshelby works for Churchill College from Jan, 1964 to Jan, 1965. 
 John D. Eshelby works for University of Sheffield from Jan, 1966 to Jan, 1981.

Answer:
user
University of Sheffield
University of Birmingham
assistant
Question:
Which employer did John D. Eshelby work for in Dec, 1964?

Context:
 John D. Eshelby works for University of Birmingham from Jan, 1954 to Jan, 1964. 
 John D. Eshelby works for Churchill College from Jan, 1964 to Jan, 1965. 
 John D. Eshelby works for University of Sheffield from Jan, 1966 to Jan, 1981.

Answer:
user
Churchill College
assistant