Question:
Who was the chair of United States Department of Justice in Nov, 2020?

Context:
 Eric Holder is the chair of United States Department of Justice from Jan, 2009 to Apr, 2015. 
 Loretta Lynch is the chair of United States Department of Justice from Apr, 2015 to Jan, 2017. 
 Jeff Sessions is the chair of United States Department of Justice from Feb, 2017 to Nov, 2018. 
 William Barr is the chair of United States Department of Justice from Feb, 2019 to Dec, 2022.

Answer:
Question:
Who was the chair of United States Department of Justice in Nov, 2020?

Context:
 Eric Holder is the chair of United States Department of Justice from Jan, 2009 to Apr, 2015. 
 Loretta Lynch is the chair of United States Department of Justice from Apr, 2015 to Jan, 2017. 
 Jeff Sessions is the chair of United States Department of Justice from Feb, 2017 to Nov, 2018. 
 William Barr is the chair of United States Department of Justice from Feb, 2019 to Dec, 2022.

Answer:
user
William Barr
assistant
Question:
Who was the chair of United States Department of Justice in Nov, 2020?

Context:
 Eric Holder is the chair of United States Department of Justice from Jan, 2009 to Apr, 2015. 
 Loretta Lynch is the chair of United States Department of Justice from Apr, 2015 to Jan, 2017. 
 Jeff Sessions is the chair of United States Department of Justice from Feb, 2017 to Nov, 2018. 
 William Barr is the chair of United States Department of Justice from Feb, 2019 to Dec, 2022.

Answer:
user
Loretta Lynch
Jeff Sessions
Eric Holder
assistant
Question:
Who was the chair of United States Department of Justice in Nov, 2020?

Context:
 Eric Holder is the chair of United States Department of Justice from Jan, 2009 to Apr, 2015. 
 Loretta Lynch is the chair of United States Department of Justice from Apr, 2015 to Jan, 2017. 
 Jeff Sessions is the chair of United States Department of Justice from Feb, 2017 to Nov, 2018. 
 William Barr is the chair of United States Department of Justice from Feb, 2019 to Dec, 2022.

Answer:
user
William Barr
assistant