Which awards have been given to scientists that graduated from NKU athens?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/almaMater> <http://dbpedia.org/resource/National_and_Kapodistrian_University_of_Athens> . ?x <http://dbpedia.org/ontology/award> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Scientist>}
National_and_Kapodistrian_University_of_Athens