Question:
Who was the chair of École du Louvre in Aug, 2019?

Context:
 Catherine Colonna is the chair of École du Louvre from Jan, 2009 to Jan, 2013. 
 Sophie-Justine Lieber is the chair of École du Louvre from Jan, 2016 to Jan, 2020. 
 Camille Morineau is the chair of École du Louvre from Jan, 2020 to Dec, 2022. 
 Nicole Briot is the chair of École du Louvre from Jan, 1998 to Jan, 2003. 
 Jean Guéguinou is the chair of École du Louvre from Jan, 2003 to Jan, 2007. 
 Didier Boulaud is the chair of École du Louvre from Jan, 2014 to Jan, 2016. 
 Bruno Bourg-Broc is the chair of École du Louvre from Jan, 2007 to Jan, 2009.

Answer:
Question:
Who was the chair of École du Louvre in Aug, 2019?

Context:
 Catherine Colonna is the chair of École du Louvre from Jan, 2009 to Jan, 2013. 
 Sophie-Justine Lieber is the chair of École du Louvre from Jan, 2016 to Jan, 2020. 
 Camille Morineau is the chair of École du Louvre from Jan, 2020 to Dec, 2022. 
 Nicole Briot is the chair of École du Louvre from Jan, 1998 to Jan, 2003. 
 Jean Guéguinou is the chair of École du Louvre from Jan, 2003 to Jan, 2007. 
 Didier Boulaud is the chair of École du Louvre from Jan, 2014 to Jan, 2016. 
 Bruno Bourg-Broc is the chair of École du Louvre from Jan, 2007 to Jan, 2009.

Answer:
user
Sophie-Justine Lieber
assistant
Question:
Who was the chair of École du Louvre in Aug, 2019?

Context:
 Catherine Colonna is the chair of École du Louvre from Jan, 2009 to Jan, 2013. 
 Sophie-Justine Lieber is the chair of École du Louvre from Jan, 2016 to Jan, 2020. 
 Camille Morineau is the chair of École du Louvre from Jan, 2020 to Dec, 2022. 
 Nicole Briot is the chair of École du Louvre from Jan, 1998 to Jan, 2003. 
 Jean Guéguinou is the chair of École du Louvre from Jan, 2003 to Jan, 2007. 
 Didier Boulaud is the chair of École du Louvre from Jan, 2014 to Jan, 2016. 
 Bruno Bourg-Broc is the chair of École du Louvre from Jan, 2007 to Jan, 2009.

Answer:
user
Nicole Briot
Didier Boulaud
Camille Morineau
Jean Guéguinou
Bruno Bourg-Broc
Catherine Colonna
assistant
Question:
Who was the chair of École du Louvre in Aug, 2019?

Context:
 Catherine Colonna is the chair of École du Louvre from Jan, 2009 to Jan, 2013. 
 Sophie-Justine Lieber is the chair of École du Louvre from Jan, 2016 to Jan, 2020. 
 Camille Morineau is the chair of École du Louvre from Jan, 2020 to Dec, 2022. 
 Nicole Briot is the chair of École du Louvre from Jan, 1998 to Jan, 2003. 
 Jean Guéguinou is the chair of École du Louvre from Jan, 2003 to Jan, 2007. 
 Didier Boulaud is the chair of École du Louvre from Jan, 2014 to Jan, 2016. 
 Bruno Bourg-Broc is the chair of École du Louvre from Jan, 2007 to Jan, 2009.

Answer:
user
Sophie-Justine Lieber
assistant