WHat is the currency issued by the Bank of Japan that starts with letter J ?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q8142 . ?sbj wdt:P562 wd:Q333101 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'j')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
currency: Q8142 bank of japan: Q333101