find the warship v1.1 that was launched most recently.
Entity
m.08j2c1
HMS Vengeance
class literal
user.patrick.default_domain.warship_v1_1 0^^http://www.w3.org/2001/XMLSchema#int
user.patrick.default_domain.warship_v1_1 type.datetime
Warship v1.1 0
none argmax
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 :user.patrick.default_domain.warship_v1_1 . 
{
SELECT (MAX(?y1) AS ?x1)  WHERE { 
?y0 :type.object.type :user.patrick.default_domain.warship_v1_1 . 
?y0 :boats.ship.launched ?y1 . 
FILTER ( ?y0 != ?y1  )
}
}
?x0 :boats.ship.launched ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(ARGMAX user.patrick.default_domain.warship_v1_1 boats.ship.launched)