Question: In which companies boards do the writers of Wikitionary belong?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Wiktionary> <http://dbpedia.org/ontology/author> ?x . ?x <http://dbpedia.org/ontology/board> ?uri  . }
Answer: The boards of the writers of Wiktionary are [Creative Commons, Guardian Media Group, Sunlight Foundation, MIT Center for Collective Intelligence, Wikimedia Foundation].