SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/sourceRegion> <http://dbpedia.org/resource/Wyoming> }
Which rivers start in Wyoming?
SELECT DISTINCT ?e WHERE { ?e property:source_region resource:Wyoming }
Missouri River, Powder River (Wyoming and Montana), Little Powder River
The rivers whose source region is Wyoming are [Missouri River, Powder River (Wyoming and Montana), Little Powder River].
[Missouri River, Powder River (Wyoming and Montana), Little Powder River] are the rivers starting in Wyoming.