Question: What is the highest volcano in Africa?
SPARQL query:
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 yago: <http://dbpedia.org/class/yago/> SELECT DISTINCT ?uri WHERE { ?uri rdf:type onto:Volcano . ?uri onto:locatedInArea ?area . ?area rdf:type yago:AfricanCountries . ?uri onto:elevation ?elevation . } ORDER BY DESC(?elevation) OFFSET 0 LIMIT 1