What are the public educational institution of the United States which start with the letter university
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q23002039 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'university')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
public educational institution of the united states: Q23002039