Question:
Which employer did Martin Millett work for in Apr, 2015?

Context:
 Martin Millett works for University of Southampton from Jan, 1999 to Jan, 2001. 
 Martin Millett works for Durham University from Jan, 1995 to Jan, 1998. 
 Martin Millett works for University of Cambridge from Oct, 2001 to Dec, 2022.

Answer:
Question:
Which employer did Martin Millett work for in Apr, 2015?

Context:
 Martin Millett works for University of Southampton from Jan, 1999 to Jan, 2001. 
 Martin Millett works for Durham University from Jan, 1995 to Jan, 1998. 
 Martin Millett works for University of Cambridge from Oct, 2001 to Dec, 2022.

Answer:
user
University of Cambridge
assistant
Question:
Which employer did Martin Millett work for in Apr, 2015?

Context:
 Martin Millett works for University of Southampton from Jan, 1999 to Jan, 2001. 
 Martin Millett works for Durham University from Jan, 1995 to Jan, 1998. 
 Martin Millett works for University of Cambridge from Oct, 2001 to Dec, 2022.

Answer:
user
University of Southampton
Durham University
assistant
Question:
Which employer did Martin Millett work for in Apr, 2015?

Context:
 Martin Millett works for University of Southampton from Jan, 1999 to Jan, 2001. 
 Martin Millett works for Durham University from Jan, 1995 to Jan, 1998. 
 Martin Millett works for University of Cambridge from Oct, 2001 to Dec, 2022.

Answer:
user
University of Cambridge
assistant