What what is ice giant parent astronomical body Sun which that starts with letters u
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1319599 . ?sbj wdt:P397 wd:Q525 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'u')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
ice giant: Q1319599 sun: Q525