Question: Name the mascot of the military branch of William Harper.
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/William_Harper_(Rhodesian_politician)> onto:militaryBranch ?x . ?x prop:mascot ?uri  . }