what tv crew job is associated with a tv crew gig in the episode prayer for the nation, part 2?
Entity
m.0215j4
Camera Operator
class class entity
tv.tv_crew_role tv.tv_crew_gig m.0c6y60v
tv.tv_crew_role tv.tv_crew_gig tv.tv_series_episode
TV crew role TV crew gig Prayer for the nation, Part 2
none none none
tv.tv_crew_role.tv_episodes tv.tv_crew_gig.episode
TV episodes with this job Episode
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 :tv.tv_crew_role . 
?x1 :type.object.type :tv.tv_crew_gig . 
VALUES ?x2 { :m.0c6y60v } 
?x0 :tv.tv_crew_role.tv_episodes ?x1 . 
?x1 :tv.tv_crew_gig.episode ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND tv.tv_crew_role (JOIN tv.tv_crew_role.tv_episodes (JOIN tv.tv_crew_gig.episode m.0c6y60v)))