look for the nuclear ship powerplant which has a power that is 70000.0.
Entity
m.0ck0rk
VM-A reactor
class literal
boats.nuclear_powerplant 70000.0^^http://www.w3.org/2001/XMLSchema#float
boats.nuclear_powerplant type.float
Nuclear Ship Powerplant 70000.0
none none
boats.nuclear_powerplant.power_kw
Power (kw)
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.nuclear_powerplant . 
VALUES ?x1 { "70000.0"^^<http://www.w3.org/2001/XMLSchema#float> } 
?x0 :boats.nuclear_powerplant.power_kw ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND boats.nuclear_powerplant (JOIN boats.nuclear_powerplant.power_kw 70000.0^^http://www.w3.org/2001/XMLSchema#float))