Question:
Who was the head coach of the team Royal Antwerp F.C. in Dec, 2017?

Context:
 László Bölöni is the head coach of Royal Antwerp F.C. from Jul, 2017 to May, 2020. 
 Mark van Bommel is the head coach of Royal Antwerp F.C. from Jul, 2022 to Dec, 2022. 
 Franky Vercauteren is the head coach of Royal Antwerp F.C. from Jan, 2021 to Jun, 2021. 
 Ivan Leko is the head coach of Royal Antwerp F.C. from May, 2020 to Dec, 2020. 
 Brian Priske is the head coach of Royal Antwerp F.C. from Jul, 2021 to Jun, 2022.

Answer:
Question:
Who was the head coach of the team Royal Antwerp F.C. in Dec, 2017?

Context:
 László Bölöni is the head coach of Royal Antwerp F.C. from Jul, 2017 to May, 2020. 
 Mark van Bommel is the head coach of Royal Antwerp F.C. from Jul, 2022 to Dec, 2022. 
 Franky Vercauteren is the head coach of Royal Antwerp F.C. from Jan, 2021 to Jun, 2021. 
 Ivan Leko is the head coach of Royal Antwerp F.C. from May, 2020 to Dec, 2020. 
 Brian Priske is the head coach of Royal Antwerp F.C. from Jul, 2021 to Jun, 2022.

Answer:
user
László Bölöni
assistant
Question:
Who was the head coach of the team Royal Antwerp F.C. in Dec, 2017?

Context:
 László Bölöni is the head coach of Royal Antwerp F.C. from Jul, 2017 to May, 2020. 
 Mark van Bommel is the head coach of Royal Antwerp F.C. from Jul, 2022 to Dec, 2022. 
 Franky Vercauteren is the head coach of Royal Antwerp F.C. from Jan, 2021 to Jun, 2021. 
 Ivan Leko is the head coach of Royal Antwerp F.C. from May, 2020 to Dec, 2020. 
 Brian Priske is the head coach of Royal Antwerp F.C. from Jul, 2021 to Jun, 2022.

Answer:
user
Mark van Bommel
Ivan Leko
Brian Priske
Franky Vercauteren
assistant
Question:
Who was the head coach of the team Royal Antwerp F.C. in Dec, 2017?

Context:
 László Bölöni is the head coach of Royal Antwerp F.C. from Jul, 2017 to May, 2020. 
 Mark van Bommel is the head coach of Royal Antwerp F.C. from Jul, 2022 to Dec, 2022. 
 Franky Vercauteren is the head coach of Royal Antwerp F.C. from Jan, 2021 to Jun, 2021. 
 Ivan Leko is the head coach of Royal Antwerp F.C. from May, 2020 to Dec, 2020. 
 Brian Priske is the head coach of Royal Antwerp F.C. from Jul, 2021 to Jun, 2022.

Answer:
user
László Bölöni
assistant