Question: Give me a count of movies whose editor is Mark Stevens?
SPARQL:
SELECT DISTINCT COUNT(?uri) WHERE {?uri <http://dbpedia.org/property/editing> <http://dbpedia.org/resource/Mark_Stevens_(film_editor)> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Film>}