Question: Who is the mayor of New York City?
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/> PREFIX res: <http://dbpedia.org/resource/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?uri ?string WHERE { res:New_York_City onto:leaderName ?uri . OPTIONAL { ?uri rdfs:label ?string. FILTER (lang(?string) = 'en') } }