what number of contents about higher education are produced by the producer of to the best of our knowledge?
Value
1
class entity class entity
broadcast.content m.03bv2kt broadcast.producer m.03fx9_c
broadcast.content broadcast.genre broadcast.producer radio.radio_program
Broadcast Content Higher Education Broadcast Producer To the Best of Our Knowledge
count none none none
broadcast.genre.content broadcast.producer.produces broadcast.producer.produces
Content Produces Produces
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 (COUNT(?x0) AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :broadcast.content . 
VALUES ?x1 { :m.03bv2kt } 
?x2 :type.object.type :broadcast.producer . 
VALUES ?x3 { :m.03fx9_c } 
?x1 :broadcast.genre.content ?x0 . 
?x2 :broadcast.producer.produces ?x0 . 
?x2 :broadcast.producer.produces ?x3 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x0 != ?x3 && ?x1 != ?x2 && ?x1 != ?x3 && ?x2 != ?x3  )
}
}
(COUNT (AND broadcast.content (AND (JOIN (R broadcast.genre.content) m.03bv2kt) (JOIN (R broadcast.producer.produces) (JOIN broadcast.producer.produces m.03fx9_c)))))