on hewlett-packard co., what digital camera was announced?
Entity Entity Entity Entity Entity Entity Entity
m.03q2jyd m.02w7_k5 m.03q2r6b m.03q2ln_ m.03q2nlv m.03q2jpr m.03q2ndn
HP Photosmart R837 HP Photosmart M537 HP Photosmart E337 HP Photosmart R937 HP Photosmart R742 HP Photosmart M437 HP Photosmart Mz67
class entity
digicams.digital_camera m.03mnk
digicams.digital_camera digicams.digital_camera_manufacturer
Digital Camera hewlett-packard co.
none none
digicams.digital_camera.manufacturer
Manufacturer
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 { :m.03mnk } 
?x0 :digicams.digital_camera.manufacturer ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND digicams.digital_camera (JOIN digicams.digital_camera.manufacturer m.03mnk))