who was the computer designer that made the belle?
Entity
m.048kc
Ken Thompson
class entity
computer.computer_designer m.07r4dc
computer.computer_designer computer.computer
Computer Designer Belle
none none
computer.computer_designer.computers_designed
Computers Designed
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 :computer.computer_designer . 
VALUES ?x1 { :m.07r4dc } 
?x0 :computer.computer_designer.computers_designed ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND computer.computer_designer (JOIN computer.computer_designer.computers_designed m.07r4dc))