in oct. the 27th, 1943 which ship has keel laid?
Entity Entity Entity Entity Entity Entity Entity
m.07k6w8h m.02400r m.02vwz70 m.0f81h6 m.0479f6f m.094lhq m.07k8v4y
USS Brock (APD-93) USS Midway USS Martin H. Ray SS Dominator BRP Negros Occidental (PS-29) USS Rooks (DD-804) USS Register (APD-92)
class literal
boats.ship 1943-10-27^^http://www.w3.org/2001/XMLSchema#date
boats.ship type.datetime
Ship Oct. the 27th, 1943
none none
boats.ship.keel_laid
Keel laid
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 { "1943-10-27-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :boats.ship.keel_laid ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND boats.ship (JOIN boats.ship.keel_laid 1943-10-27^^http://www.w3.org/2001/XMLSchema#date))