LOTUS

"Hey Wikidata, Which organisms are known to contain quercetin (REFJWTPEDVJJIY-UHFFFAOYSA-N)?"

SELECT DISTINCT ?parent_taxon ?parent_taxonname ?taxon ?taxonname WHERE {
VALUES ?classes { wd:Q11173 wd:Q59199015 } ?compound wdt:P31 ?classes; wdt:P235 "REFJWTPEDVJJIY-UHFFFAOYSA-N".
?taxon wdt:P171 ?parent_taxon. { ?compound p:P703 ?stmt.
?stmt ps:P703 ?taxon. { ?stmt prov:wasDerivedFrom ?ref.
?ref pr:P248 ?art. ?art wdt:P356 ?art_doi.
} } ?taxon wdt:P225 ?taxonname.
?parent_taxon wdt:P225 ?parent_taxonname.}