Question: Which mountains are higher than the Nanga Parbat?
SPARQL:
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
PREFIX prop: <http://dbpedia.org/property/>
SELECT ?uri ?string
WHERE 
{
	?uri rdf:type onto:Mountain .
        ?acon rdfs:label 'Nanga Parbat'@en .
        ?acon prop:elevationM ?elevation .
        ?uri prop:elevationM ?allelevation .
        FILTER (?allelevation > ?elevation) .
	OPTIONAL {?uri rdfs:label ?string . FILTER (lang(?string) = 'en') }
}