who designed the roller coaster which had an accident after 1984-01-03?
Entity Entity Entity Entity
m.027lfxy m.04gvyp m.06vnh2 m.046k63
Tony Baxter Walt Disney Imagineering Werner Stengel Arrow Dynamics
class class class literal
amusement_parks.ride_designer amusement_parks.roller_coaster amusement_parks.accident 1984-01-03^^http://www.w3.org/2001/XMLSchema#date
amusement_parks.ride_designer amusement_parks.roller_coaster amusement_parks.accident type.datetime
Amusement Ride Designer Roller Coaster Amusement Ride Accident 1984-01-03
none none none >=
amusement_parks.ride_designer.rides amusement_parks.accident.ride amusement_parks.accident.date
Rides Designed Ride Date
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 :amusement_parks.ride_designer . 
?x1 :type.object.type :amusement_parks.roller_coaster . 
?x2 :type.object.type :amusement_parks.accident . 
FILTER (?x3 >= "1984-01-03-08:00"^^<http://www.w3.org/2001/XMLSchema#date>)
?x0 :amusement_parks.ride_designer.rides ?x1 . 
?x2 :amusement_parks.accident.ride ?x1 . 
?x2 :amusement_parks.accident.date ?x3 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x0 != ?x3 && ?x1 != ?x2 && ?x1 != ?x3 && ?x2 != ?x3  )
}
}
(AND amusement_parks.ride_designer (JOIN amusement_parks.ride_designer.rides (JOIN (R amusement_parks.accident.ride) (ge amusement_parks.accident.date 1984-01-03^^http://www.w3.org/2001/XMLSchema#date))))