machine_question: what did randy jackson play in the artist which recorded Going Down Alone
question: What instrument did Randy Jackson play in the artist that recorded "Going Down Alone?"?
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.featured_artist.recordings ns:m.010jyrk . 
  ?c ns:music.musical_group.member ?y .
  ?y ns:music.group_membership.role ?x .
  ?y ns:music.group_membership.member ns:m.02yygk .
  }
  
webqsp_question: what did randy jackson play in journey