Question: Hans Peter Dengel, chief engineer of German U-boat U-96, was said to be the inspiration for a character in which 1981 movie?
Sentence (from "Das Boot"): It has been exhibited both as a theatrical release and as a TV miniseries (1985), in several different home video versions of various running times, and in a longer director's cut version supervised by Petersen in 1997.
Relevant evidence: No