Tell me the public educational institution of the United States in the category for employees of the organization of Clemson University faculty whose name contains the word clemson?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q23002039 . ?sbj wdt:P4195 wd:Q8382649 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'clemson')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
public educational institution of the united states: Q23002039 category:clemson university faculty: Q8382649