What are the low-cost airline which start with the letter vueling
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q190915 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'vueling')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
low-cost airline: Q190915