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