Name the currency issued by the Reserve Bank of Australia  that starts with letter A
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:/instance of/ wd:/decimal currency/ . ?sbj wdt:/central bank/issuer/ wd:/Reserve Bank of Australia/ . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'a')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 