katanga express was the operator of which aviation incident?
Entity
m.0j43r4j
2012 Katanga Express Gulfstream IV crash
class entity
aviation.airliner_accident g.11bcfcp37f
aviation.airliner_accident aviation.airline
Aviation incident Katanga Express
none none
aviation.airliner_accident.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.airliner_accident . 
VALUES ?x1 { :g.11bcfcp37f } 
?x0 :aviation.airliner_accident.operator ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND aviation.airliner_accident (JOIN aviation.airliner_accident.operator g.11bcfcp37f))