which transport terminus provides transportation for destination heathrow airport?
Entity Entity Entity Entity
m.0hcsh m.01dcgl m.01jrrf m.0pr6s
London Stansted Airport Luton Airport London City Airport Gatwick Airport
class class entity
travel.transport_terminus travel.transportation m.03jn4
travel.transport_terminus travel.transportation travel.transport_terminus
Transport terminus Transportation heathrow airport
none none none
travel.transportation.transport_terminus travel.transport_terminus.travel_destinations_served
Transport terminus Travel destinations served
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 :travel.transport_terminus . 
?x1 :type.object.type :travel.transportation . 
VALUES ?x2 { :m.03jn4 } 
?x1 :travel.transportation.transport_terminus ?x0 . 
?x2 :travel.transport_terminus.travel_destinations_served ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND travel.transport_terminus (JOIN (R travel.transportation.transport_terminus) (JOIN (R travel.transport_terminus.travel_destinations_served) m.03jn4)))