machine_question: what did randy jackson play in the artist had a concert tour named Raised on Radio Tour
question: In the concert tour named Raised on Radio Tour, what did Randy Jackson play?
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.artist.concert_tours ns:m.05b1bnc . 
  ?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