name a the ship that has an overall length of 230.8
Entity
m.07qrrp
Spanish ship Juan Carlos I
class literal
boats.ship 230.8^^http://www.w3.org/2001/XMLSchema#float
boats.ship type.float
Ship 230.8
none none
boats.ship.length_overall
Length overall
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 :boats.ship . 
VALUES ?x1 { "230.8"^^<http://www.w3.org/2001/XMLSchema#float> } 
?x0 :boats.ship.length_overall ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND boats.ship (JOIN boats.ship.length_overall 230.8^^http://www.w3.org/2001/XMLSchema#float))