What is the {moon of Neptune} for {child astronomical body} of {Neptune}
Name Neptune's moon
Name a moon of Neptune
SELECT DISTINCT ?b WHERE { resource:Neptune property:child_astronomical_body ?b . ?b rdf:type ontology:moon_of_Neptune }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q332> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P398> . ?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/Q2139> } 
 select distinct ?obj where { wd:Q332 wdt:P398 ?obj . ?obj wdt:P31 wd:Q2139 } 
Triton Naiad Nereid Proteus Thalassa Despina Galatea Larissa Halimede Sao Laomedeia Psamathe Neso