Name a steel bridge besigned by Joseph Strauss that  starts with letter B
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q12042110 . ?sbj wdt:P84 wd:Q261174 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'b')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
steel bridge: Q12042110 joseph strauss: Q261174