What is the {Population I star} for {parent astronomical body} of {Neptune}
Which star of Neptune is Population 1?
What is the Population I star of Neptune
SELECT DISTINCT ?p WHERE { ?p rdf:type ontology:Population_I_star . resource:Neptune property:parent_astronomical_body ?p }
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/P397> . ?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/Q3592493> } 
 select distinct ?obj where { wd:Q332 wdt:P397 ?obj . ?obj wdt:P31 wd:Q3592493 } 
Sun