in which olympic event was 1924 olympics contested as part of a demonstration sport ?
Entity
m.04fk282
Men's Volleyball
class entity
olympics.olympic_event m.0nbjq
olympics.olympic_event olympics.olympic_games
Olympic event 1924 olympics
none none
olympics.olympic_event.contested_as_demonstration_event
Contested as demonstration event in
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 :olympics.olympic_event . 
VALUES ?x1 { :m.0nbjq } 
?x0 :olympics.olympic_event.contested_as_demonstration_event ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND olympics.olympic_event (JOIN olympics.olympic_event.contested_as_demonstration_event m.0nbjq))