Question: Name the organization which developed iPhone OS and the XNU?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/IPhone_OS_1> <http://dbpedia.org/property/developer> ?uri. <http://dbpedia.org/resource/XNU> <http://dbpedia.org/ontology/developer> ?uri . }
Answer: [Apple Inc.] is the developer of both IPhone OS and XNU.