find book character whose weight is less than or equal to 50.0.
Entity Entity Entity Entity
m.015dxd m.01h4t2 m.07656 m.02321x
Knuckles the Echidna Tails Sonic the Hedgehog Kitty Pryde
class literal
book.book_character 50.0^^http://www.w3.org/2001/XMLSchema#float
book.book_character type.float
Book Character 50.0
none <=
fictional_universe.fictional_character.weight
Weight
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.book_character . 
FILTER (?x1 <= "50.0"^^<http://www.w3.org/2001/XMLSchema#float>)
?x0 :fictional_universe.fictional_character.weight ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND book.book_character (le fictional_universe.fictional_character.weight 50.0^^http://www.w3.org/2001/XMLSchema#float))