Question: Josef Valčík is remembered for his participation in Operation Anthropoid in 1942, the assassination of a high-ranking German Nazi official who chaired what?
Sentence (from "Reinhard Heydrich"): He was an SS-"Obergruppenführer und General der Polizei" (Senior Group Leader and General of Police) as well as chief of the Reich Main Security Office (including the Gestapo, Kripo, and SD).
Relevant evidence: No