what was the name of the first person to reach the top of mount bourgeau?
Entity Entity
m.0k1hg74 m.0k1hg6y
Tom Wilson J.J. McArthur
class entity
geography.mountaineer m.05mrj8x
geography.mountaineer geography.mountain
Mountaineer Mount Bourgeau
none none
geography.mountaineer.first_ascents
First ascents
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 :geography.mountaineer . 
VALUES ?x1 { :m.05mrj8x } 
?x0 :geography.mountaineer.first_ascents ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND geography.mountaineer (JOIN geography.mountaineer.first_ascents m.05mrj8x))