Question: Who is the owner of  Latvian Wikipedia and Wiktionary ?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Latvian_Wikipedia> <http://dbpedia.org/ontology/owner> ?uri. <http://dbpedia.org/resource/Wiktionary> <http://dbpedia.org/ontology/owner> ?uri . }