what is the name of the digital camera that was revealed on sigma?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.04wjnfl m.0gn3ld m.03mh56f m.04wjn5w m.0gty1yt m.055m71f m.07k5d2m m.05510xn m.0lq2tst m.07kc3sp
Sigma SD15 Sigma SD14 Sigma DP1 Sigma DP2 Sigma SD1 Sigma 150mm f/2.8 APO Macro EX DG HSM lens Sigma 200–500mm f/2.8 EX DG lens Sigma 50mm f/1.4 EX DG HSM lens Sigma 8–16mm f/4.5–5.6 DC HSM lens Sigma 10mm F2.8 EX DC Fisheye HSM lens
class entity
digicams.digital_camera m.04hb32
digicams.digital_camera digicams.digital_camera_manufacturer
Digital Camera sigma
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.04hb32 } 
?x0 :digicams.digital_camera.manufacturer ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND digicams.digital_camera (JOIN digicams.digital_camera.manufacturer m.04hb32))