What is the {moon of Jupiter} for {child astronomical body} of {Jupiter}
What is the title of Jupiter's most youthful moon?
What is the name of Jupiter's youngest moon?
SELECT DISTINCT ?n WHERE { resource:Jupiter property:child_astronomical_body ?n . ?n rdf:type ontology:moon_of_Jupiter }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q319> . ?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/Q61702557> } 
 select distinct ?obj where { wd:Q319 wdt:P398 ?obj . ?obj wdt:P31 wd:Q61702557 } 
Dia S/2003.12 Eupheme S/2003.18 S/2003.10 S/2003.9 Eirene S/2003.2 S/2003.4 S/2003.19 S/2003.16 Philophrosyne S/2003.23 Jupiter LI Jupiter LII Jupiter LXXII S/2011.2 S/2016.1 S/2017.1 Valetudo Pandia Ersa S/2017.9 S/2017.2 S/2017.5 Jupiter LXIX S/2017.3 S/2017.6 Jupiter LXVIII Io Callisto Europa Ganymede Amalthea Metis Adrastea Thebe Themisto Leda Himalia Lysithea Elara Carpo Euanthe Euporie Thelxinoe Helike Orthosie Iocaste Praxidike Harpalyke Mneme Hermippe Thyone Ananke Aitne Kale Taygete Chaldene Erinome Aoede Kallichore Carme Kalyke Callirrhoe Eurydome Pasithee Cyllene Eukelade Hegemone Pasiphae Arche Isonoe Sinope Autonoe Sponde Kore Megaclite