Question: Which politicians were married to a German?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE {  ?uri rdf:type onto:Politician .  ?uri onto:spouse ?spouse . { ?spouse onto:birthPlace <http://dbpedia.org/resource/Germany> . } UNION { ?spouse onto:birthPlace ?p .  ?p onto:country <http://dbpedia.org/resource/Germany> . } }