What is the {natural satellite} for {parent astronomical body} of {Pluto}
What is the title of the moon for the planet Pluto?
What is the name of the moon for the planet Pluto?
SELECT DISTINCT ?g WHERE { ?g property:parent_astronomical_body resource:Pluto . ?g rdf:type ontology:natural_satellite }
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/P397> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q339> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q2537> } 
 select distinct ?sbj where { ?sbj wdt:P397 wd:Q339 . ?sbj wdt:P31 wd:Q2537 } 
Nix Hydra Kerberos Styx Charon