at the st. george municipal airport, which kind of surface is used by the runway with the width less than or equal to 30.0?
Entity
m.0hr8
Asphalt
class class literal entity
aviation.airport_runway_surface aviation.airport_runway 30.0^^http://www.w3.org/2001/XMLSchema#float m.06pd3x
aviation.airport_runway_surface aviation.airport_runway type.float aviation.airport
Airport runway surface Airport runway 30.0 St. George Municipal Airport
none none >= none
aviation.airport_runway_surface.runways aviation.airport_runway.width aviation.airport_runway.airport
Runways Width Airport
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_runway_surface . 
?x1 :type.object.type :aviation.airport_runway . 
FILTER (?x2 >= "30.0"^^<http://www.w3.org/2001/XMLSchema#float>)
VALUES ?x3 { :m.06pd3x } 
?x0 :aviation.airport_runway_surface.runways ?x1 . 
?x1 :aviation.airport_runway.width ?x2 . 
?x1 :aviation.airport_runway.airport ?x3 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x0 != ?x3 && ?x1 != ?x2 && ?x1 != ?x3 && ?x2 != ?x3  )
}
}
(AND aviation.airport_runway_surface (JOIN aviation.airport_runway_surface.runways (AND (ge aviation.airport_runway.width 30.0^^http://www.w3.org/2001/XMLSchema#float) (JOIN aviation.airport_runway.airport m.06pd3x))))