Question:
Who was the head coach of the team Chelsea F.C. in Aug, 2017?

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

Answer:
Question:
Who was the head coach of the team Chelsea F.C. in Aug, 2017?

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

Answer:
user
Antonio Conte
assistant
Question:
Who was the head coach of the team Chelsea F.C. in Aug, 2017?

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

Answer:
user
Frank Lampard
José Mourinho
Graham Potter
Thomas Tuchel
Maurizio Sarri
Carlo Ancelotti
Claudio Ranieri
assistant
Question:
Who was the head coach of the team Chelsea F.C. in Aug, 2017?

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

Answer:
user
Antonio Conte
assistant