What is <substrate of> of <vegetable oil> ?
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Which is the substrate of the vegetable oil?
SELECT DISTINCT ?b WHERE { ?b property:substrate_of resource:vegetable_oil }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2414> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q4739805>. }
select distinct ?answer where { ?answer wdt:P2414 wd:Q4739805}
oil plant