Question: What genre isPyChess from, which employes Craig Van Tilbury?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Craig_Van_Tilbury> <http://dbpedia.org/ontology/occupation> ?uri. <http://dbpedia.org/resource/PyChess> <http://dbpedia.org/property/genre> ?uri}