Name an Italian Opera played for the first time at Teatro La Fenice that contains the word "la" in its name
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q785522 . ?sbj wdt:P4647 wd:Q223942 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'la')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
italian opera: Q785522 teatro la fenice: Q223942