Question: Who defeated Kaiserslautern  in the 1971–72 DFB-Pokal?
Sentence (from "FC Schalke 04"): Fußballclub Gelsenkirchen-Schalke 04 e. V., commonly known as FC Schalke 04 (] ), Schalke or abbreviated as S04 (] ), is a professional German association-football club and multi-sports club originally from the district of Gelsenkirchen, North Rhine-Westphalia.
Relevant evidence: Yes