What railway tunnel that ends at Erstfeld starts with letter B ?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:/instance of/ wd:/railway tunnel/ . ?sbj wdt:/terminus/ wd:/Erstfeld/ . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'b')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 