Tell me the intergovernmental organization of the coat of arms of Emblem of the Association of Southeast Asian Nations that starts with the letter a!
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q245065 . ?sbj wdt:P237 wd:Q128544 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'a')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
intergovernmental organization: Q245065 emblem of the association of southeast asian nations: Q128544