PREFIX rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX dc:      <http://purl.org/dc/elements/1.1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX bench:   <http://localhost/vocabulary/bench/>
PREFIX xsd:     <http://www.w3.org/2001/XMLSchema#> 

SELECT ?yr
WHERE {
  ?journal rdf:type bench:Journal .
  ?journal dc:title "Journal 1 (1940)"^^xsd:string .
  ?journal dcterms:issued ?yr 
}