which holiday relates pi approximation day?
Entity
m.0681n
Pi Day
class entity
time.holiday g.11bc16zpz9
time.holiday time.event
Holiday Pi Approximation Day
none none
time.holiday.related_event
Related Event
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 :time.holiday . 
VALUES ?x1 { :g.11bc16zpz9 } 
?x0 :time.holiday.related_event ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND time.holiday (JOIN time.holiday.related_event g.11bc16zpz9))