machine_question: what movies did ron howard do and that has the following genre: Black-and-white
question: What movie did Ron Howard produce in black and white?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.0g2lq)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.0g2lq ns:film.actor.film ?y .
  ?y ns:film.performance.film ?x .
  ?x ns:film.film.genre ns:m.01g6gs . 
  }
webqsp_question: what movies did ron howard do