what is the name of museum director museum of mathematics?
Entity
m.0pd33p4
Glen Whitney
class entity
architecture.museum_director m.0jwvjyz
architecture.museum_director architecture.museum
Museum director Museum of Mathematics
none none
architecture.museum_director.museum
Museum
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 :architecture.museum_director . 
VALUES ?x1 { :m.0jwvjyz } 
?x0 :architecture.museum_director.museum ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND architecture.museum_director (JOIN architecture.museum_director.museum m.0jwvjyz))