Question:
Who was the head coach of the team PFC CSKA Moscow in Aug, 2021?

Context:
 Vladimir Valentinovich Fedotov is the head coach of PFC CSKA Moscow from Jun, 2022 to Dec, 2022. 
 Aleksei Berezutski is the head coach of PFC CSKA Moscow from Jun, 2021 to Jun, 2022. 
 Ivica Olić is the head coach of PFC CSKA Moscow from Mar, 2021 to Jun, 2021. 
 Leonid Slutsky is the head coach of PFC CSKA Moscow from Oct, 2009 to Dec, 2016. 
 Viktor Goncharenko is the head coach of PFC CSKA Moscow from Dec, 2016 to Mar, 2021.

Answer:
Question:
Who was the head coach of the team PFC CSKA Moscow in Aug, 2021?

Context:
 Vladimir Valentinovich Fedotov is the head coach of PFC CSKA Moscow from Jun, 2022 to Dec, 2022. 
 Aleksei Berezutski is the head coach of PFC CSKA Moscow from Jun, 2021 to Jun, 2022. 
 Ivica Olić is the head coach of PFC CSKA Moscow from Mar, 2021 to Jun, 2021. 
 Leonid Slutsky is the head coach of PFC CSKA Moscow from Oct, 2009 to Dec, 2016. 
 Viktor Goncharenko is the head coach of PFC CSKA Moscow from Dec, 2016 to Mar, 2021.

Answer:
user
Aleksei Berezutski
assistant
Question:
Who was the head coach of the team PFC CSKA Moscow in Aug, 2021?

Context:
 Vladimir Valentinovich Fedotov is the head coach of PFC CSKA Moscow from Jun, 2022 to Dec, 2022. 
 Aleksei Berezutski is the head coach of PFC CSKA Moscow from Jun, 2021 to Jun, 2022. 
 Ivica Olić is the head coach of PFC CSKA Moscow from Mar, 2021 to Jun, 2021. 
 Leonid Slutsky is the head coach of PFC CSKA Moscow from Oct, 2009 to Dec, 2016. 
 Viktor Goncharenko is the head coach of PFC CSKA Moscow from Dec, 2016 to Mar, 2021.

Answer:
user
Leonid Slutsky
Ivica Olić
Viktor Goncharenko
Vladimir Valentinovich Fedotov
assistant
Question:
Who was the head coach of the team PFC CSKA Moscow in Aug, 2021?

Context:
 Vladimir Valentinovich Fedotov is the head coach of PFC CSKA Moscow from Jun, 2022 to Dec, 2022. 
 Aleksei Berezutski is the head coach of PFC CSKA Moscow from Jun, 2021 to Jun, 2022. 
 Ivica Olić is the head coach of PFC CSKA Moscow from Mar, 2021 to Jun, 2021. 
 Leonid Slutsky is the head coach of PFC CSKA Moscow from Oct, 2009 to Dec, 2016. 
 Viktor Goncharenko is the head coach of PFC CSKA Moscow from Dec, 2016 to Mar, 2021.

Answer:
user
Aleksei Berezutski
assistant