question: Were M3 and M6 founded by M4 , founded by a editor of M0 , M1 , and M2 , and founded by M5
query: SELECT count(*) WHERE {
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  M3 ns:organization.organization.founders ?x0 .
  M3 ns:organization.organization.founders M4 .
  M3 ns:organization.organization.founders M5 .
  M6 ns:organization.organization.founders ?x0 .
  M6 ns:organization.organization.founders M4 .
  M6 ns:organization.organization.founders M5
  }