Question: Which U.S. states are in the same timezone as Utah?
SPARQL:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX dbp: <http://dbpedia.org/property/>
PREFIX yago: <http://dbpedia.org/class/yago/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT DISTINCT ?uri ?string WHERE 
{
	res:Utah dbp:timezone ?x . 
        ?uri rdf:type yago:StatesOfTheUnitedStates . 
        ?uri dbp:timezone ?x .
        FILTER (?uri != res:Utah)
	OPTIONAL { ?uri rdfs:label ?string. FILTER (lang(?string) = 'en') }
}