Translations:Project:SPARQL/examples/66/en

OPTIONAL { ?person wdt:P7 ?residence. } # Retrieves the residence if available (P7)

 OPTIONAL { ?person p:P34 ?archive_statement . 
            ?archive_statement ps:P34 ?archiveCollection ;
                               pq:P35 ?inventoryNo.}  # Reference to the archives
 SERVICE wikibase:label { bd:serviceParam wikibase:language "en,[AUTO_LANGUAGE]". }  # Retrieves the labels in English

}