what's the name of the structure that opened in 07/30/1927?
Entity
m.0cv8nv
Stadio Giuseppe Sinigaglia
class literal
architecture.structure 1927-07-30^^http://www.w3.org/2001/XMLSchema#date
architecture.structure type.datetime
Structure 07/30/1927
none none
architecture.structure.opened
Opened
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 :architecture.structure . 
VALUES ?x1 { "1927-07-30-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :architecture.structure.opened ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND architecture.structure (JOIN architecture.structure.opened 1927-07-30^^http://www.w3.org/2001/XMLSchema#date))