Question: Who is the writer of the British television sitcom for which David Jason is best known for his portrayal of Derek "Del Boy" Trotter?
Sentence (from "David Jason"): He is perhaps best known for his portrayals of Derek "Del Boy" Trotter in the BBC comedy series "Only Fools and Horses", and Detective Inspector Jack Frost in the ITV crime drama "A Touch of Frost".
Relevant evidence: Yes