What what is gas giant child astronomical body by Enceladus and also which starts with letter s
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q121750 . ?sbj wdt:P398 wd:Q3303 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 's')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
gas giant: Q121750 enceladus: Q3303