Which is the dog that is in exhibition history of Anchorage Museum and starts with the letter b?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q144 . ?sbj wdt:P608 wd:Q4752732 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'b')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
dog: Q144 anchorage museum: Q4752732