SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Twin_Cities_400> <http://dbpedia.org/ontology/operatedBy> ?uri }
Who operates twin Cities 400 ?
SELECT DISTINCT ?n WHERE { resource:Twin_Cities_400 property:operated_by ?n }
Chicago
[Chicago] is the operator of Twin Cities 400.
[Chicago] operates Twin Cities 400.