Question: Which state of the United States of America has the highest density?
SPARQL:
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#>
PREFIX dbpedia2: <http://dbpedia.org/property/>
SELECT ?uri ?string
WHERE 
{
	?uri rdf:type yago:StatesOfTheUnitedStates .
        ?uri dbpedia2:densityrank ?density
        OPTIONAL {?uri rdfs:label ?string. FILTER (lang(?string) = 'en') }
} ORDER BY ASC(?density) LIMIT 1