Question: Which monarchs of the United Kingdom were married to a German?
SPARQL:
PREFIX yago: <http://dbpedia.org/class/yago/> PREFIX dbo: <http://dbpedia.org/ontology/> PREFIX res: <http://dbpedia.org/resource/> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT DISTINCT ?uri ?string WHERE { ?uri rdf:type yago:MonarchsOfTheUnitedKingdom . ?uri dbo:spouse ?spouse . ?spouse dbo:birthPlace res:Germany. OPTIONAL { ?uri rdfs:label ?string. FILTER (lang(?string) = 'en') } }