jspf extended what file format?
Entity
m.068x7l
XML Shareable Playlist Format
class entity
computer.file_format m.02sh1lh
computer.file_format computer.file_format
File Format JSPF
none none
computer.file_format.extended_to
Extended To
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 :computer.file_format . 
VALUES ?x1 { :m.02sh1lh } 
?x0 :computer.file_format.extended_to ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND computer.file_format (JOIN computer.file_format.extended_to m.02sh1lh))