which software was first released on 2011-04-28?
Entity
m.0swp_3t
Swift
class literal
computer.software 2011-04-28^^http://www.w3.org/2001/XMLSchema#date
computer.software type.datetime
Software 2011-04-28
none none
computer.software.first_released
First Released
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 :computer.software . 
VALUES ?x1 { "2011-04-28-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :computer.software.first_released ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND computer.software (JOIN computer.software.first_released 2011-04-28^^http://www.w3.org/2001/XMLSchema#date))