which opera production was performed at the george gershwin theatre?
Entity
m.0kfbzp7
Porgy and Bess
class entity
opera.opera_production m.08kscc
opera.opera_production opera.opera_house
Opera Production george gershwin theatre
none none
opera.opera_production.performed_at
Performed At
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_production . 
VALUES ?x1 { :m.08kscc } 
?x0 :opera.opera_production.performed_at ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND opera.opera_production (JOIN opera.opera_production.performed_at m.08kscc))