What are the Catholic cathedral which start with the letter saint
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q56242215 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'saint')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
catholic cathedral: Q56242215