Question:
Who was the chair of 50PLUS in Nov, 2017?

Context:
 Willem Holthuizen is the chair of 50PLUS from Nov, 2012 to Sep, 2013. 
 Jan Nagel is the chair of 50PLUS from Aug, 2020 to May, 2021. 
 Geert Dales is the chair of 50PLUS from Apr, 2020 to May, 2020. 
 Jan Zoetelief is the chair of 50PLUS from Jun, 2017 to May, 2018. 
 John Struijlaard is the chair of 50PLUS from Mar, 2014 to Jun, 2016.

Answer:
Question:
Who was the chair of 50PLUS in Nov, 2017?

Context:
 Willem Holthuizen is the chair of 50PLUS from Nov, 2012 to Sep, 2013. 
 Jan Nagel is the chair of 50PLUS from Aug, 2020 to May, 2021. 
 Geert Dales is the chair of 50PLUS from Apr, 2020 to May, 2020. 
 Jan Zoetelief is the chair of 50PLUS from Jun, 2017 to May, 2018. 
 John Struijlaard is the chair of 50PLUS from Mar, 2014 to Jun, 2016.

Answer:
user
Jan Zoetelief
assistant
Question:
Who was the chair of 50PLUS in Nov, 2017?

Context:
 Willem Holthuizen is the chair of 50PLUS from Nov, 2012 to Sep, 2013. 
 Jan Nagel is the chair of 50PLUS from Aug, 2020 to May, 2021. 
 Geert Dales is the chair of 50PLUS from Apr, 2020 to May, 2020. 
 Jan Zoetelief is the chair of 50PLUS from Jun, 2017 to May, 2018. 
 John Struijlaard is the chair of 50PLUS from Mar, 2014 to Jun, 2016.

Answer:
user
John Struijlaard
Jan Nagel
Willem Holthuizen
Geert Dales
assistant
Question:
Who was the chair of 50PLUS in Nov, 2017?

Context:
 Willem Holthuizen is the chair of 50PLUS from Nov, 2012 to Sep, 2013. 
 Jan Nagel is the chair of 50PLUS from Aug, 2020 to May, 2021. 
 Geert Dales is the chair of 50PLUS from Apr, 2020 to May, 2020. 
 Jan Zoetelief is the chair of 50PLUS from Jun, 2017 to May, 2018. 
 John Struijlaard is the chair of 50PLUS from Mar, 2014 to Jun, 2016.

Answer:
user
Jan Zoetelief
assistant