dick grayson is on the cover of which comic issue?
Entity Entity Entity Entity Entity Entity Entity
m.03bwqlv m.0j3rxq1 m.02wlzl_ m.02wlp16 m.02wkbg7 m.02wlpqt m.02wlzzk
Batman #68 Batwing #7 Detective Comics #140 Detective Comics #38 Batman #1 Batman #436 World's Finest Comics #3
class entity
comic_books.comic_book_issue m.0208pb
comic_books.comic_book_issue comic_books.comic_book_character
Comic Book Issue Dick Grayson
none none
comic_books.comic_book_issue.characters_on_cover
Characters On Cover
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 :comic_books.comic_book_issue . 
VALUES ?x1 { :m.0208pb } 
?x0 :comic_books.comic_book_issue.characters_on_cover ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND comic_books.comic_book_issue (JOIN comic_books.comic_book_issue.characters_on_cover m.0208pb))