How many {endemic to} are to/by {South Australia} ?
This category contains flora that are native to South Australia. Taxa of the lowest rank are always included. Higher taxa are included only if endemic.
How endemic is South Australia to it?
SELECT ( COUNT ( ?v ) AS ?n ) { ?v property:endemic_to resource:South_Australia }
SELECT (COUNT(?sub) AS ?subs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?sub .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P183> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q35715 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P183 wd:Q35715 }
87