what is the subject of the documentary photography type exhibition?
Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.09c7w0 m.0fpsvh3 m.0kbq m.03nfmq m.049_0x m.03_t_4 m.0g9kt8d m.0fpsv9s m.0g9kt8l
United States of America Savannah, Immortal City: Volume One of the Civil War Savannah Series American Civil War Architecture African-American history Black History Month 150th Anniversary of the American Civil War Civil War Savannah Series American Communities
class class entity
exhibitions.exhibition_subject exhibitions.exhibition m.07nzfh
exhibitions.exhibition_subject exhibitions.exhibition exhibitions.type_of_exhibition
Exhibition subject Exhibition Documentary photography
none none none
exhibitions.exhibition_subject.exhibitions_created_about_this_subject exhibitions.exhibition.exhibition_types
Exhibitions created about this subject Exhibition type(s)
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 :exhibitions.exhibition_subject . 
?x1 :type.object.type :exhibitions.exhibition . 
VALUES ?x2 { :m.07nzfh } 
?x0 :exhibitions.exhibition_subject.exhibitions_created_about_this_subject ?x1 . 
?x1 :exhibitions.exhibition.exhibition_types ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND exhibitions.exhibition_subject (JOIN exhibitions.exhibition_subject.exhibitions_created_about_this_subject (JOIN exhibitions.exhibition.exhibition_types m.07nzfh)))