what kind of olympic event is speed skating at the 1968 winter olympics - men's 1500m?
Entity
m.06zh_xm
Men's 1500m
class entity
olympics.olympic_event m.07t4y69
olympics.olympic_event olympics.olympic_event_competition
Olympic event Speed Skating at the 1968 Winter Olympics - Men's 1500m
none none
olympics.olympic_event.competitions
Competitions
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.07t4y69 } 
?x0 :olympics.olympic_event.competitions ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND olympics.olympic_event (JOIN olympics.olympic_event.competitions m.07t4y69))