zxsp-mac and zxsp-osx were both created by who?
Entity
m.09rktp3
Günter Woigk
class entity entity
computer.software_developer m.09rktqj m.09rktpk
computer.software_developer computer.computer_emulator computer.computer_emulator
Software Developer ZXSP-OSX ZXSP-Mac
none none none
computer.software.developer computer.software_developer.software
Developer Software
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.software_developer . 
VALUES ?x1 { :m.09rktqj } 
VALUES ?x2 { :m.09rktpk } 
?x1 :computer.software.developer ?x0 . 
?x0 :computer.software_developer.software ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND computer.software_developer (AND (JOIN (R computer.software.developer) m.09rktqj) (JOIN computer.software_developer.software m.09rktpk)))