Question: Name the university whose affiliations's foundation is in Washington, D.C.?
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 ?uri WHERE { ?x prop:foundation <http://dbpedia.org/resource/Washington,_D.C.> . ?uri prop:affiliations ?x  . ?uri rdf:type onto:University}