which digital camera has an effective resolution of 2008-03?
Entity
m.03m6znn
Canon EOS 450D
class literal
digicams.digital_camera 2008-03^^http://www.w3.org/2001/XMLSchema#gYearMonth
digicams.digital_camera type.datetime
Digital Camera 2008-03
none none
digicams.digital_camera.released
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 :digicams.digital_camera . 
VALUES ?x1 { "2008-03-08:00"^^<http://www.w3.org/2001/XMLSchema#gYearMonth> } 
?x0 :digicams.digital_camera.released ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND digicams.digital_camera (JOIN digicams.digital_camera.released 2008-03^^http://www.w3.org/2001/XMLSchema#gYearMonth))