Question: What was the famous film and TV series featuring U-Boat commander Alfred Radermacher?
Sentence (from "Das Boot"): Das Boot (] , German meaning "The Boat") is a 1981 German war film written and directed by Wolfgang Petersen, produced by Günter Rohrbach, and starring Jürgen Prochnow, Herbert Grönemeyer, and Klaus Wennemann.
Relevant evidence: No