Question: Jagdgeschwader 54 was piloted by the fighter ace of what nationality during World War II?
Sentence (from "Jagdgeschwader 54"): "Jagdgeschwader" 54 (JG 54) was a Luftwaffe fighter wing during the Second World War, which was the second highest scoring wing of all time, JG 52 being the highest.
Relevant evidence: No