Question:
Which employer did Douglas Northcott work for in Feb, 1972?

Context:
 Douglas Northcott works for University of Sheffield from Jan, 1952 to Jan, 1982. 
 Douglas Northcott works for University of Cambridge from Jan, 1948 to Jan, 1952. 
 Douglas Northcott works for Royal Artillery from Jan, 1939 to Jan, 1945.

Answer:
Question:
Which employer did Douglas Northcott work for in Feb, 1972?

Context:
 Douglas Northcott works for University of Sheffield from Jan, 1952 to Jan, 1982. 
 Douglas Northcott works for University of Cambridge from Jan, 1948 to Jan, 1952. 
 Douglas Northcott works for Royal Artillery from Jan, 1939 to Jan, 1945.

Answer:
user
University of Sheffield
assistant
Question:
Which employer did Douglas Northcott work for in Feb, 1972?

Context:
 Douglas Northcott works for University of Sheffield from Jan, 1952 to Jan, 1982. 
 Douglas Northcott works for University of Cambridge from Jan, 1948 to Jan, 1952. 
 Douglas Northcott works for Royal Artillery from Jan, 1939 to Jan, 1945.

Answer:
user
Royal Artillery
University of Cambridge
assistant
Question:
Which employer did Douglas Northcott work for in Feb, 1972?

Context:
 Douglas Northcott works for University of Sheffield from Jan, 1952 to Jan, 1982. 
 Douglas Northcott works for University of Cambridge from Jan, 1948 to Jan, 1952. 
 Douglas Northcott works for Royal Artillery from Jan, 1939 to Jan, 1945.

Answer:
user
University of Sheffield
assistant