Which is the superhero from the fictional universe of DC Universe that starts with the letter s?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q188784 . ?sbj wdt:P1080 wd:Q1152150 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 's')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
superhero: Q188784 dc universe: Q1152150