what is the name of the astronomical discovery that is associated with félix aguilar observatory and has a discovery site of carlos u. cesco astronomical station?
Entity Entity Entity
m.03d8knm m.03y4398 m.03y7yx3
2997 Cabrera 4652 Iannini 2893 Peiroos
class entity entity
astronomy.astronomical_discovery m.03bg5b m.0j_y7tq
astronomy.astronomical_discovery astronomy.astronomical_observatory astronomy.astronomical_observatory
Astronomical Discovery Félix Aguilar Observatory Carlos U. Cesco Astronomical Station
none none none
astronomy.astronomical_observatory.discoveries astronomy.astronomical_discovery.discovery_site
Discoveries Discovery Site
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 :astronomy.astronomical_discovery . 
VALUES ?x1 { :m.03bg5b } 
VALUES ?x2 { :m.0j_y7tq } 
?x1 :astronomy.astronomical_observatory.discoveries ?x0 . 
?x0 :astronomy.astronomical_discovery.discovery_site ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND astronomy.astronomical_discovery (AND (JOIN (R astronomy.astronomical_observatory.discoveries) m.03bg5b) (JOIN astronomy.astronomical_discovery.discovery_site m.0j_y7tq)))