What award has been given to Roy Walker as well as Walt Disney?
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Roy_Walker_(production_designer)> <http://dbpedia.org/ontology/award> ?uri. <http://dbpedia.org/resource/Walt_Disney> <http://dbpedia.org/ontology/award> ?uri . }
Roy_Walker_(production_designer) Walt_Disney