Question: In how many different highschools have people schooled in Penn State Nittany Lions football studied?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:school <http://dbpedia.org/resource/Penn_State_Nittany_Lions_football> . ?x prop:highschool ?uri  . ?uri rdf:type onto:EducationalInstitution}