name the channel access method that has packet reservation multiple access as the child method.
Entity
m.05y8dl7
Resource reservation (scheduled) packet-mode protocols
class entity
engineering.channel_access_method m.05y8_rw
engineering.channel_access_method engineering.channel_access_method
Channel access method Packet reservation multiple access
none none
engineering.channel_access_method.child_method
Child method
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 :engineering.channel_access_method . 
VALUES ?x1 { :m.05y8_rw } 
?x0 :engineering.channel_access_method.child_method ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND engineering.channel_access_method (JOIN engineering.channel_access_method.child_method m.05y8_rw))