Question:
Who was the chair of United States Department of the Interior in Jan, 2020?

Context:
 David L. Bernhardt is the chair of United States Department of the Interior from Apr, 2019 to Jan, 2021. 
 Ryan Zinke is the chair of United States Department of the Interior from Mar, 2017 to Jan, 2019. 
 Sally Jewell is the chair of United States Department of the Interior from Apr, 2013 to Jan, 2017. 
 Deb Haaland is the chair of United States Department of the Interior from Mar, 2021 to Dec, 2022.

Answer:
Question:
Who was the chair of United States Department of the Interior in Jan, 2020?

Context:
 David L. Bernhardt is the chair of United States Department of the Interior from Apr, 2019 to Jan, 2021. 
 Ryan Zinke is the chair of United States Department of the Interior from Mar, 2017 to Jan, 2019. 
 Sally Jewell is the chair of United States Department of the Interior from Apr, 2013 to Jan, 2017. 
 Deb Haaland is the chair of United States Department of the Interior from Mar, 2021 to Dec, 2022.

Answer:
user
David L. Bernhardt
assistant
Question:
Who was the chair of United States Department of the Interior in Jan, 2020?

Context:
 David L. Bernhardt is the chair of United States Department of the Interior from Apr, 2019 to Jan, 2021. 
 Ryan Zinke is the chair of United States Department of the Interior from Mar, 2017 to Jan, 2019. 
 Sally Jewell is the chair of United States Department of the Interior from Apr, 2013 to Jan, 2017. 
 Deb Haaland is the chair of United States Department of the Interior from Mar, 2021 to Dec, 2022.

Answer:
user
Ryan Zinke
Sally Jewell
Deb Haaland
assistant
Question:
Who was the chair of United States Department of the Interior in Jan, 2020?

Context:
 David L. Bernhardt is the chair of United States Department of the Interior from Apr, 2019 to Jan, 2021. 
 Ryan Zinke is the chair of United States Department of the Interior from Mar, 2017 to Jan, 2019. 
 Sally Jewell is the chair of United States Department of the Interior from Apr, 2013 to Jan, 2017. 
 Deb Haaland is the chair of United States Department of the Interior from Mar, 2021 to Dec, 2022.

Answer:
user
David L. Bernhardt
assistant