What is the {reservoir} for {dam} of {Oroville Dam}
What reservoir is the Oroville Dam a part of?
Which is the reservoir for the dam of Oroville Dam?
SELECT DISTINCT ?s WHERE { ?s rdf:type ontology:reservoir . ?s property:dam resource:Oroville_Dam }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4792> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1425594> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q131681> } 
 select distinct ?sbj where { ?sbj wdt:P4792 wd:Q1425594 . ?sbj wdt:P31 wd:Q131681 } 
Lake Oroville