SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Eastern_Washington> <http://dbpedia.org/ontology/river> ?uri. <http://dbpedia.org/resource/Central_Washington> <http://dbpedia.org/ontology/river> ?uri . }
Which river flows through both eastern and central washington?
SELECT DISTINCT ?l WHERE { resource:Central_Washington property:river ?l . . resource:Eastern_Washington property:river ?l }
Columbia River
The river which flows on both eastern and central Washington is [Columbia River].
A river that floats both east and downtown Washington is [the Columbia River].
The river which flows on both eastern and central of the country is [Columbia River].
The river that flows both east and center of the country is [the Columbia River].