Question:
Who was the head coach of the team Valenciennes F.C. in Nov, 2021?

Context:
 Nicolas Rabuel is the head coach of Valenciennes F.C. from Jun, 2022 to Dec, 2022. 
 Olivier Guégan is the head coach of Valenciennes F.C. from Jun, 2019 to Nov, 2021. 
 Christophe Delmotte is the head coach of Valenciennes F.C. from Nov, 2021 to Jun, 2022.

Answer:
Christophe Delmotte