Question: Was Heinrich Himmler ever a commanders of Army Group Oberrhein?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
ASK WHERE { <http://dbpedia.org/resource/Army_Group_Oberrhein_(Germany)> prop:notableCommanders <http://dbpedia.org/resource/Heinrich_Himmler> }