text: SELECT tab0.v1 AS v1 , tab1.v0 AS v0 , tab2.v3 AS v3 
   FROM    (SELECT sub AS v0 
  	 FROM sorg__nationality$$2$$
  	 
  	 WHERE obj = 'wsdbm:Country22'
  	) tab1
   JOIN    (SELECT sub AS v0 
  	 FROM rdf__type$$4$$ 
  	 WHERE obj = 'wsdbm:Role2'
  	) tab3
   ON(tab1.v0=tab3.v0)
   JOIN    (SELECT obj AS v1 , sub AS v0 
  	 FROM dc__Location$$1$$
  	) tab0
   ON(tab3.v0=tab0.v0)
   JOIN    (SELECT sub AS v0 , obj AS v3 
  	 FROM wsdbm__gender$$3$$
  	
  	) tab2
   ON(tab0.v0=tab2.v0)
  
  
  ++++++Tables Statistic
  sorg__nationality$$2$$	0	VP	sorg__nationality/
  	VP	<sorg__nationality>	200780
  ------
  wsdbm__gender$$3$$	0	VP	wsdbm__gender/
  	VP	<wsdbm__gender>	600332
  ------
  dc__Location$$1$$	0	VP	dc__Location/
  	VP	<dc__Location>	400344
  ------
  rdf__type$$4$$	0	VP	rdf__type/
  	VP	<rdf__type>	1480374
  ------
  