Question: In what capacity did British Army intelligence officer Derek Knee serve in World War II to the Field Marshall nicknamed "Monty" and the "Spartan General"?
Sentence (from "Bernard Montgomery"): Field Marshal Bernard Law Montgomery, 1st Viscount Montgomery of Alamein, ( ; 17 November 1887 – 24 March 1976), nicknamed "Monty" and the "Spartan General", was a senior British Army officer who fought in both the First World War and the Second World War.
Relevant evidence: Yes