machine_question: how many the artist which recorded Weâre Gonna Make It sisters
question: How many artists recorded the song, Weâre Gonna Make It?
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.01bz2tt . 
  ?c ns:music.musical_group.member ?y .
  ?y ns:music.group_membership.member ?x .
  }
  
webqsp_question: how many mary mary sisters