Question: Who developed the software for the operating system of Macintosh Quadra 660AV ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Macintosh_Quadra_660AV> onto:operatingSystem ?x . ?x onto:developer ?uri  . ?x rdf:type onto:Software}