Question: Name the workplace of Walter Houser Brattain, which is located at street address 345 Boyer Ave, Walla Walla, WA 99362?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q184577 wdt:P108 ?answer . ?answer wdt:P969 ?x FILTER(contains(?x,'345 Boyer Ave, Walla Walla, WA, 99362'))}