Question:
Who was the chair of ITV plc in Nov, 2017?

Context:
 Peter Bazalgette is the chair of ITV plc from May, 2016 to Dec, 2022. 
 Michael Grade is the chair of ITV plc from Jan, 2007 to Jan, 2009. 
 Peter Burt is the chair of ITV plc from Jan, 2004 to Jan, 2007. 
 Archie Norman is the chair of ITV plc from Jan, 2010 to May, 2016.

Answer:
Peter Bazalgette