Question: What international association football clubs cup uses the UEFA Champions League Anthem and starts with the letter "c"?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q34542757 . ?sbj wdt:P85 wd:Q1453101 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'c')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25