what is the shortest carol welsman song?
Entity
m.0g5_xy2
Angels on Your Pillow
class literal entity
music.recording 0^^http://www.w3.org/2001/XMLSchema#int m.01nl_cx
music.recording type.float music.artist
Musical Recording 0 Carol Welsman
none argmin none
music.recording.length music.recording.artist
Length Recorded by
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 :music.recording . 
{
SELECT (MIN(?y1) AS ?x1)  WHERE { 
?y0 :type.object.type :music.recording . 
VALUES ?y2 { :m.01nl_cx } 
?y0 :music.recording.length ?y1 . 
?y0 :music.recording.artist ?y2 . 
FILTER ( ?y0 != ?y1 && ?y0 != ?y2 && ?y1 != ?y2  )
}
}
VALUES ?x2 { :m.01nl_cx } 
?x0 :music.recording.length ?x1 . 
?x0 :music.recording.artist ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(ARGMIN (AND music.recording (JOIN music.recording.artist m.01nl_cx)) music.recording.length)