In which country does the publishing house exist which was cofounded by Panos Loannides?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/founder> <http://dbpedia.org/resource/Panos_Ioannides> . ?x <http://dbpedia.org/property/country> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Publisher>}
Panos_Ioannides