What are the national economy which start with the letter e
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q6456916 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'e')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
national economy: Q6456916