Question:
Which employer did David Castle work for in Jun, 2007?

Context:
 David Castle works for University of Ottawa from Jan, 2006 to Jan, 2010. 
 David Castle works for University of Edinburgh from Jan, 2010 to Jan, 2014. 
 David Castle works for University of Victoria from Jan, 2014 to Dec, 2022.

Answer:
Question:
Which employer did David Castle work for in Jun, 2007?

Context:
 David Castle works for University of Ottawa from Jan, 2006 to Jan, 2010. 
 David Castle works for University of Edinburgh from Jan, 2010 to Jan, 2014. 
 David Castle works for University of Victoria from Jan, 2014 to Dec, 2022.

Answer:
user
University of Ottawa
assistant
Question:
Which employer did David Castle work for in Jun, 2007?

Context:
 David Castle works for University of Ottawa from Jan, 2006 to Jan, 2010. 
 David Castle works for University of Edinburgh from Jan, 2010 to Jan, 2014. 
 David Castle works for University of Victoria from Jan, 2014 to Dec, 2022.

Answer:
user
University of Edinburgh
University of Victoria
assistant
Question:
Which employer did David Castle work for in Jun, 2007?

Context:
 David Castle works for University of Ottawa from Jan, 2006 to Jan, 2010. 
 David Castle works for University of Edinburgh from Jan, 2010 to Jan, 2014. 
 David Castle works for University of Victoria from Jan, 2014 to Dec, 2022.

Answer:
user
University of Ottawa
assistant