which ship has keel laid in jul. the 10th, 1917
Entity
m.03nfb3
USS Fairfax (DD-93)
class literal
boats.ship 1917-07-10^^http://www.w3.org/2001/XMLSchema#date
boats.ship type.datetime
Ship Jul. the 10th, 1917
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 { "1917-07-10-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :boats.ship.keel_laid ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND boats.ship (JOIN boats.ship.keel_laid 1917-07-10^^http://www.w3.org/2001/XMLSchema#date))