richard rubin is the advisor of which organization?
Entity
m.02yzv3_
Prematics, Inc.
class entity
organization.organization m.03ghm0b
organization.organization business.company_advisor
Organization Richard Rubin
none none
organization.organization.advisors
Advisors
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :organization.organization . 
VALUES ?x1 { :m.03ghm0b } 
?x0 :organization.organization.advisors ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND organization.organization (JOIN organization.organization.advisors m.03ghm0b))