question: Were M2 , M3 , and M4 founded by a film director and founded by a screenwriter
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  ?x1 a ns:film.director .
  M2 ns:organization.organization.founders ?x0 .
  M2 ns:organization.organization.founders ?x1 .
  M3 ns:organization.organization.founders ?x0 .
  M3 ns:organization.organization.founders ?x1 .
  M4 ns:organization.organization.founders ?x0 .
  M4 ns:organization.organization.founders ?x1
  }