text: SELECT tab0.v1 AS v1 , tab2.v2 AS v2 
   FROM    (SELECT obj AS v1 
  	 FROM gn__parentCountry$$1$$
  	 
  	 WHERE sub = 'wsdbm:City182'
  	) tab0
   JOIN    (SELECT obj AS v1 , sub AS v2 
  	 FROM sorg__nationality$$3$$
  	
  	) tab2
   ON(tab0.v1=tab2.v1)
   JOIN    (SELECT sub AS v2 
  	 FROM wsdbm__likes$$2$$ 
  	 WHERE obj = 'wsdbm:Product0'
  	) tab1
   ON(tab2.v2=tab1.v2)
  
  
  ++++++Tables Statistic
  gn__parentCountry$$1$$	0	VP	gn__parentCountry/
  	VP	<gn__parentCountry>	240
  ------
  wsdbm__likes$$2$$	0	VP	wsdbm__likes/
  	VP	<wsdbm__likes>	1124672
  ------
  sorg__nationality$$3$$	0	VP	sorg__nationality/
  	VP	<sorg__nationality>	200780
  ------
  