what are the number of characters that appear on the cover of green lantern corps: recharge #1?
Value
3
class entity
comic_books.comic_book_character m.04kwy46
comic_books.comic_book_character comic_books.comic_book_issue
Comic Book Character Green Lantern Corps: Recharge #1
count none
comic_books.comic_book_character.cover_appearances
Cover Appearances
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 (COUNT(?x0) AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :comic_books.comic_book_character . 
VALUES ?x1 { :m.04kwy46 } 
?x0 :comic_books.comic_book_character.cover_appearances ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(COUNT (AND comic_books.comic_book_character (JOIN comic_books.comic_book_character.cover_appearances m.04kwy46)))