machine_question: what instrument does the actor that played in the film Fela Kuti: Teacher Don't Teach Me Nonsense play
question: In the film "Fela Kuti: Teacher Don't Teach Me Nonsense" what are instruments that the actor plays?
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:film.actor.film ?k .
  ?k ns:film.performance.film ns:m.0crwcmb . 
  ?c ns:music.group_member.instruments_played ?x .
  }
  
webqsp_question: what instrument does fela kuti play