SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Tornado_(web_server)> <http://dbpedia.org/property/author> ?x . ?x <http://dbpedia.org/ontology/owner> ?uri . }
List the websites which the authors of Tornado own ?
SELECT DISTINCT ?f WHERE { ?x property:owner ?f . . resource:Tornado_(web_server) property:author ?x }
Facebook
The website which authors of Tornado won is [Facebook].
The site that Tornado authors won is [Facebook].