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:Country17'
  	) 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$$2$$	1	SS	sorg__nationality/dc__Location
  	VP	<sorg__nationality>	2000713
  	SS	<sorg__nationality><dc__Location>	801012	0.4
  	SS	<sorg__nationality><wsdbm__gender>	1200387	0.6
  	SS	<sorg__nationality><rdf__type>	2000713	1.0
  ------
  wsdbm__gender$$3$$	2	SS	wsdbm__gender/sorg__nationality
  	VP	<wsdbm__gender>	5999423
  	SS	<wsdbm__gender><dc__Location>	2399839	0.4
  	SS	<wsdbm__gender><sorg__nationality>	1200387	0.2
  	SS	<wsdbm__gender><rdf__type>	5999423	1.0
  ------
  dc__Location$$1$$	1	SS	dc__Location/sorg__nationality
  	VP	<dc__Location>	4000049
  	SS	<dc__Location><sorg__nationality>	801012	0.2
  	SS	<dc__Location><wsdbm__gender>	2399839	0.6
  	SS	<dc__Location><rdf__type>	4000049	1.0
  ------
  rdf__type$$4$$	2	SS	rdf__type/sorg__nationality
  	VP	<rdf__type>	14800449
  	SS	<rdf__type><dc__Location>	4920557	0.33
  	SS	<rdf__type><sorg__nationality>	2460595	0.17
  	SS	<rdf__type><wsdbm__gender>	7379621	0.5
  ------
  