Question: For a position in which institution were both Jack Ryan and Robert sarvis both appointed?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Jack_Ryan_(politician)> onto:nominee ?uri. <http://dbpedia.org/resource/Robert_Sarvis> onto:nominee ?uri . ?uri rdf:type onto:Organisation}