text: SELECT
      count(D1.val) AS article
  FROM
      Triples T1
      JOIN Dictionary DP1 ON T1.predicate=DP1.ID
      JOIN Dictionary D1  ON T1.subject=D1.ID
      JOIN Dictionary D2  ON T1.object=D2.ID
      JOIN Triples T2     ON T1.subject=T2.subject
      JOIN Dictionary DP2 ON T2.predicate=DP2.ID
  WHERE
      DP1.val='rdf:type'
      AND DP2.val='swrc:pages'
      AND D2.val='bench:Article';
  
  