Question:
Who was the head coach of the team Chelsea F.C. in Jul, 2020?

Context:
 Claudio Ranieri is the head coach of Chelsea F.C. from Sep, 2000 to Jun, 2004. 
 José Mourinho is the head coach of Chelsea F.C. from Jul, 2013 to Dec, 2015. 
 Thomas Tuchel is the head coach of Chelsea F.C. from Jan, 2021 to Sep, 2022. 
 Frank Lampard is the head coach of Chelsea F.C. from Jul, 2019 to Jan, 2021. 
 Carlo Ancelotti is the head coach of Chelsea F.C. from Jul, 2009 to May, 2011. 
 Antonio Conte is the head coach of Chelsea F.C. from Jul, 2016 to Jul, 2018. 
 Graham Potter is the head coach of Chelsea F.C. from Sep, 2022 to Dec, 2022. 
 Maurizio Sarri is the head coach of Chelsea F.C. from Jun, 2018 to Jun, 2019.

Answer:
Question:
Who was the head coach of the team Chelsea F.C. in Jul, 2020?

Context:
 Claudio Ranieri is the head coach of Chelsea F.C. from Sep, 2000 to Jun, 2004. 
 José Mourinho is the head coach of Chelsea F.C. from Jul, 2013 to Dec, 2015. 
 Thomas Tuchel is the head coach of Chelsea F.C. from Jan, 2021 to Sep, 2022. 
 Frank Lampard is the head coach of Chelsea F.C. from Jul, 2019 to Jan, 2021. 
 Carlo Ancelotti is the head coach of Chelsea F.C. from Jul, 2009 to May, 2011. 
 Antonio Conte is the head coach of Chelsea F.C. from Jul, 2016 to Jul, 2018. 
 Graham Potter is the head coach of Chelsea F.C. from Sep, 2022 to Dec, 2022. 
 Maurizio Sarri is the head coach of Chelsea F.C. from Jun, 2018 to Jun, 2019.

Answer:
user
Frank Lampard
assistant
Question:
Who was the head coach of the team Chelsea F.C. in Jul, 2020?

Context:
 Claudio Ranieri is the head coach of Chelsea F.C. from Sep, 2000 to Jun, 2004. 
 José Mourinho is the head coach of Chelsea F.C. from Jul, 2013 to Dec, 2015. 
 Thomas Tuchel is the head coach of Chelsea F.C. from Jan, 2021 to Sep, 2022. 
 Frank Lampard is the head coach of Chelsea F.C. from Jul, 2019 to Jan, 2021. 
 Carlo Ancelotti is the head coach of Chelsea F.C. from Jul, 2009 to May, 2011. 
 Antonio Conte is the head coach of Chelsea F.C. from Jul, 2016 to Jul, 2018. 
 Graham Potter is the head coach of Chelsea F.C. from Sep, 2022 to Dec, 2022. 
 Maurizio Sarri is the head coach of Chelsea F.C. from Jun, 2018 to Jun, 2019.

Answer:
user
José Mourinho
Antonio Conte
Graham Potter
Thomas Tuchel
Maurizio Sarri
Carlo Ancelotti
Claudio Ranieri
assistant
Question:
Who was the head coach of the team Chelsea F.C. in Jul, 2020?

Context:
 Claudio Ranieri is the head coach of Chelsea F.C. from Sep, 2000 to Jun, 2004. 
 José Mourinho is the head coach of Chelsea F.C. from Jul, 2013 to Dec, 2015. 
 Thomas Tuchel is the head coach of Chelsea F.C. from Jan, 2021 to Sep, 2022. 
 Frank Lampard is the head coach of Chelsea F.C. from Jul, 2019 to Jan, 2021. 
 Carlo Ancelotti is the head coach of Chelsea F.C. from Jul, 2009 to May, 2011. 
 Antonio Conte is the head coach of Chelsea F.C. from Jul, 2016 to Jul, 2018. 
 Graham Potter is the head coach of Chelsea F.C. from Sep, 2022 to Dec, 2022. 
 Maurizio Sarri is the head coach of Chelsea F.C. from Jun, 2018 to Jun, 2019.

Answer:
user
Frank Lampard
assistant