What is the {taxon} for {natural product of taxon} of {silk}
Which taxon produces silk?
Silk is produced by which taxon?
SELECT DISTINCT ?e WHERE { ?e rdf:type ontology:taxon . resource:silk property:natural_product_of_taxon ?e }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q37681> . ?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:Q37681 wdt:P1582 ?obj . ?obj wdt:P31 wd:Q16521 } 
Bombyx mori