Question:  The Royal Bodyguard is a British television sitcom starring an English actor best known for his portrayals of Derek "Del Boy" Trotter in what BBC comedy series? 
Sentence (from "The Royal Bodyguard"): The Royal Bodyguard is a British television sitcom, written by Mark Bussell and Justin Sbresni, and starring David Jason, Geoffrey Whitehead, Timothy Bentinck and Tim Downie.
Relevant evidence: Yes