what is the isbn number for the book editions of heart of gold?
Entity
m.077m_5q
9780786244317
class entity
book.isbn m.04tqm2q
book.isbn book.book_edition
ISBN Heart of gold
none none
book.isbn.book_editions
Book Editions
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 :book.isbn . 
VALUES ?x1 { :m.04tqm2q } 
?x0 :book.isbn.book_editions ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND book.isbn (JOIN book.isbn.book_editions m.04tqm2q))