Tell me which train service that is operated by Compagnie Internationale des Wagons-Lits and that contains the word express in it's name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q15141321 . ?sbj wdt:P137 wd:Q1121141 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'express')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
train service: Q15141321 compagnie internationale des wagons-lits: Q1121141