What is the {taxon} for {natural product of taxon} of {palm oil}
Which taxon yields palm oil?
WHich taxon produces palm oil ?
SELECT DISTINCT ?x WHERE { resource:palm_oil property:natural_product_of_taxon ?x . ?x rdf:type ontology:taxon }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q231458> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1582> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q16521> } 
 select distinct ?obj where { wd:Q231458 wdt:P1582 ?obj . ?obj wdt:P31 wd:Q16521 } 
Elaeis guineensis