london-heathrow is the focus city of what airline?
Entity Entity Entity Entity Entity Entity Entity Entity
m.015f2x m.01f134 m.02156z m.05frw3 m.069vt m.0515gg m.0k670 m.011_65
Singapore Airlines Cyprus Airways Gulf Air Bellview Airlines Qantas GB Airways Air India Emirates
class entity
aviation.airline m.03jn4
aviation.airline aviation.airport
Airline london-heathrow
none none
aviation.airline.focus_cities
Focus cities
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.airline . 
VALUES ?x1 { :m.03jn4 } 
?x0 :aviation.airline.focus_cities ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND aviation.airline (JOIN aviation.airline.focus_cities m.03jn4))