What is the {taxon} for {has effect} of {leprosy}
What caused sickness?
What caused leprosy?
SELECT DISTINCT ?v WHERE { ?v rdf:type ontology:taxon . ?v property:has_effect resource:leprosy }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1542> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q36956> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q16521> } 
 select distinct ?sbj where { ?sbj wdt:P1542 wd:Q36956 . ?sbj wdt:P31 wd:Q16521 } 
Mycobacterium leprae Mycobacterium lepromatosis