Question: Which European countries are a constitutional monarchy?
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/> 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 res: <http://dbpedia.org/resource/> SELECT DISTINCT ?uri ?string WHERE { ?uri rdf:type yago:EuropeanCountries . ?uri onto:governmentType res:Constitutional_monarchy . OPTIONAL {?uri rdfs:label ?string. FILTER (lang(?string) = 'en') } }