SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/designer> <http://dbpedia.org/resource/Lars_Bak_(computer_programmer)> . ?x <http://dbpedia.org/property/developer> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Language>}
Which company developed the language designed by Lars Bak?
SELECT DISTINCT ?o WHERE { ?t property:developer ?o . ?t property:designer resource:Lars_Bak_(computer_programmer) . ?t rdf:type ontology:Language }
Google
[Google] developed the language designed by Lars Bak .
[Google] developed the language Lars Buck designed.
The developer of the programming language whose designer is him (computer programmer)  is [Google].
The developer of the programming language, of which he is the designer [Google].