Tell me sports league whose name has the word shield in it.
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q623109 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'shield')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
sports league: Q623109