what is the role of opera designer gig who designed la bohème?
Entity Entity Entity Entity
m.02tx6q m.026sdt1 m.0b787yg m.0181qd
Audio Engineer Costume designer Set Designer Lighting Designer
class class entity
opera.opera_designer_role opera.opera_designer_gig m.0k920pj
opera.opera_designer_role opera.opera_designer_gig opera.opera_production
Opera Designer Role Opera Designer Gig La Bohème
none none none
opera.opera_designer_gig.design_role opera.opera_production.designers
Design Role Designers
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 :opera.opera_designer_role . 
?x1 :type.object.type :opera.opera_designer_gig . 
VALUES ?x2 { :m.0k920pj } 
?x1 :opera.opera_designer_gig.design_role ?x0 . 
?x2 :opera.opera_production.designers ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND opera.opera_designer_role (JOIN (R opera.opera_designer_gig.design_role) (JOIN (R opera.opera_production.designers) m.0k920pj)))