Question:
Which employer did Sagiri Kitao work for in Dec, 2015?

Context:
 Sagiri Kitao works for Goldman Sachs from Apr, 1996 to Jul, 1999. 
 Sagiri Kitao works for University of Southern California from Aug, 2007 to May, 2009. 
 Sagiri Kitao works for Keio University from Jan, 2015 to Mar, 2018. 
 Sagiri Kitao works for Federal Reserve Bank of New York from Sep, 2009 to Aug, 2011. 
 Sagiri Kitao works for City University of New York from Aug, 2011 to Aug, 2015. 
 Sagiri Kitao works for University of Tokyo from Apr, 2018 to Dec, 2022.

Answer:
Question:
Which employer did Sagiri Kitao work for in Dec, 2015?

Context:
 Sagiri Kitao works for Goldman Sachs from Apr, 1996 to Jul, 1999. 
 Sagiri Kitao works for University of Southern California from Aug, 2007 to May, 2009. 
 Sagiri Kitao works for Keio University from Jan, 2015 to Mar, 2018. 
 Sagiri Kitao works for Federal Reserve Bank of New York from Sep, 2009 to Aug, 2011. 
 Sagiri Kitao works for City University of New York from Aug, 2011 to Aug, 2015. 
 Sagiri Kitao works for University of Tokyo from Apr, 2018 to Dec, 2022.

Answer:
user
Keio University
assistant
Question:
Which employer did Sagiri Kitao work for in Dec, 2015?

Context:
 Sagiri Kitao works for Goldman Sachs from Apr, 1996 to Jul, 1999. 
 Sagiri Kitao works for University of Southern California from Aug, 2007 to May, 2009. 
 Sagiri Kitao works for Keio University from Jan, 2015 to Mar, 2018. 
 Sagiri Kitao works for Federal Reserve Bank of New York from Sep, 2009 to Aug, 2011. 
 Sagiri Kitao works for City University of New York from Aug, 2011 to Aug, 2015. 
 Sagiri Kitao works for University of Tokyo from Apr, 2018 to Dec, 2022.

Answer:
user
Federal Reserve Bank of New York
University of Southern California
University of Tokyo
City University of New York
Goldman Sachs
assistant
Question:
Which employer did Sagiri Kitao work for in Dec, 2015?

Context:
 Sagiri Kitao works for Goldman Sachs from Apr, 1996 to Jul, 1999. 
 Sagiri Kitao works for University of Southern California from Aug, 2007 to May, 2009. 
 Sagiri Kitao works for Keio University from Jan, 2015 to Mar, 2018. 
 Sagiri Kitao works for Federal Reserve Bank of New York from Sep, 2009 to Aug, 2011. 
 Sagiri Kitao works for City University of New York from Aug, 2011 to Aug, 2015. 
 Sagiri Kitao works for University of Tokyo from Apr, 2018 to Dec, 2022.

Answer:
user
Keio University
assistant