what airports are operated by sialkot international airport limited?
Entity
m.0bjtkx
Sialkot International Airport
class entity
aviation.airport m.03nr6vk
aviation.airport aviation.airport_operator
Airport Sialkot International Airport Limited
none none
aviation.airport.operator
Operator
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 :aviation.airport . 
VALUES ?x1 { :m.03nr6vk } 
?x0 :aviation.airport.operator ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND aviation.airport (JOIN aviation.airport.operator m.03nr6vk))