machine_question: what musical instruments does the person who wrote the lyrics for "All Around The World" play
question: What "instrument" is played by the lyricist who wrote the song "All Around the World"?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ?c)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ?c ns:music.lyricist.lyrics_written ns:m.0jxkzb9 . 
  ?c ns:music.artist.track_contributions ?y .
  ?y ns:music.track_contribution.role ?x .
  }
  
webqsp_question: what musical instruments does justin bieber play