Finding all the Records from a specific music Group released after 1981

1       PREFIX mo:       &lt;http://purl.org/ontology/mo/&gt; 2       PREFIX dcterms:  &lt;http://purl.org/dc/terms/&gt; 3       SELECT ?title 4       WHERE 5       { 6            ?album a mo:Record; 7                  dc:creator &lt;http://zitgist.com/music/artist/65f4f0c5-ef9e-490c-aee3-909e7ae6b2ab&gt;; 8                  dcterms:created ?creation_date; 9                  dc:title ?title. 10           FILTER ( xsd:dateTime(?creation_date) &gt; "1981-01-01 00:00:00"^^xsd:dateTime ). 11      }