what is the recurring event that first occurred on 04/01/2009?
Entity Entity Entity Entity Entity
m.0101hn42 m.0b_qksm m.0cn_b_2 m.080n8mz m.0_z0rdx
Salt Lake City Film Festival Southeast New England Film, Music & Arts Festival Steinmetz Gaborone Marathon CPH:PIX Beaune International Thriller Film Festival
class literal
time.recurring_event 2009-04-01^^http://www.w3.org/2001/XMLSchema#date
time.recurring_event type.datetime
Recurring event 04/01/2009
none none
time.recurring_event.date_of_first_occurance
Date of first occurrence
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.recurring_event . 
VALUES ?x1 { "2009-04-01-08:00"^^<http://www.w3.org/2001/XMLSchema#date> } 
?x0 :time.recurring_event.date_of_first_occurance ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND time.recurring_event (JOIN time.recurring_event.date_of_first_occurance 2009-04-01^^http://www.w3.org/2001/XMLSchema#date))