Question: Hertfordshire fire and rescue service chief fire officer?
Disambiguated questions and answers: question: Who is the Hertfordshire fire and rescue service chief fire officer?
Who is the Hertfordshire fire and rescue service deputy chief fire officer?
answer: Darryl Keen
Chris Bigland
question: Who is the hertfordshire fire and rescue service chief fire officer?
Who is the hertfordshire fire and rescue service deputy chief fire officer?
answer: Darryl Keen
Chris Bigland
Natural Questions answer: Darryl Keen (from the Wikipedia article "Hertfordshire Fire and Rescue Service")