Question: Give me all movies with Tom Cruise!
SPARQL:
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX onto: <http://dbpedia.org/ontology/>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
SELECT DISTINCT ?uri ?string
WHERE 
{
	?uri rdf:type onto:Film.
	{ ?uri prop:starring res:Tom_Cruise . }
        UNION
        { ?uri onto:starring res:Tom_Cruise . }
	OPTIONAL {?uri rdfs:label ?string . FILTER (lang(?string) = 'en') }
}