What are the Christian denomination which start with the letter united
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q879146 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'united')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
christian denomination: Q879146