which ship was launched in 1941-12-18
Entity Entity Entity Entity Entity Entity
m.02vx4cs m.0y50fz9 m.0gvr106 m.03gtwg8 m.0bh8xw7 m.02lsw6
HMS United (P44) German submarine U-707 Greek destroyer Kanaris HMS Clacton HMS Sir Galahad RFA Easedale (A105)
class literal
boats.ship 1941-12-18^^http://www.w3.org/2001/XMLSchema#date
boats.ship type.datetime
Ship 1941-12-18
none none
boats.ship.launched
Launched
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 { "1941-12-18-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :boats.ship.launched ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND boats.ship (JOIN boats.ship.launched 1941-12-18^^http://www.w3.org/2001/XMLSchema#date))