the aircraft with the longest wingspan was designed by whom?
Entity Entity
m.03n93 m.039vcv
Howard Hughes Henry J. Kaiser
class class literal
aviation.aircraft_designer aviation.aircraft_model 0^^http://www.w3.org/2001/XMLSchema#int
aviation.aircraft_designer aviation.aircraft_model type.float
Aircraft designer Aircraft model 0
none none argmax
aviation.aircraft_designer.aircraft_models_designed aviation.aircraft_model.wingspan
Aircraft models designed Wingspan
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.aircraft_designer . 
?x1 :type.object.type :aviation.aircraft_model . 
{
SELECT (MAX(?y2) AS ?x2)  WHERE { 
?y0 :type.object.type :aviation.aircraft_designer . 
?y1 :type.object.type :aviation.aircraft_model . 
?y0 :aviation.aircraft_designer.aircraft_models_designed ?y1 . 
?y1 :aviation.aircraft_model.wingspan ?y2 . 
FILTER ( ?y0 != ?y1 && ?y0 != ?y2 && ?y1 != ?y2  )
}
}
?x0 :aviation.aircraft_designer.aircraft_models_designed ?x1 . 
?x1 :aviation.aircraft_model.wingspan ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(ARGMAX aviation.aircraft_designer (JOIN aviation.aircraft_designer.aircraft_models_designed aviation.aircraft_model.wingspan))