on 1954-09-30 which warship was commissioned?
Entity
m.01tckg
USS Nautilus (SSN-571)
class literal
user.patrick.default_domain.warship_v1_1 1954-09-30^^http://www.w3.org/2001/XMLSchema#date
user.patrick.default_domain.warship_v1_1 type.datetime
Warship v1.1 1954-09-30
none none
user.patrick.default_domain.warship_v1_1.commissioned
Commissioned
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 :user.patrick.default_domain.warship_v1_1 . 
VALUES ?x1 { "1954-09-30-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :user.patrick.default_domain.warship_v1_1.commissioned ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND user.patrick.default_domain.warship_v1_1 (JOIN user.patrick.default_domain.warship_v1_1.commissioned 1954-09-30^^http://www.w3.org/2001/XMLSchema#date))