what is the name of the first person to reach the top of gasherbrum ii?
Entity Entity Entity
m.0k3jsk1 m.06dlpw m.0k3jsjv
Hans Willenpart Fritz Moravec Josef Larch
class entity
geography.mountaineer m.01_686
geography.mountaineer geography.mountain
Mountaineer Gasherbrum II
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.01_686 } 
?x0 :geography.mountaineer.first_ascents ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND geography.mountaineer (JOIN geography.mountaineer.first_ascents m.01_686))