question: Was a company founded by M1 and founded by M2 's writer and editor
query: SELECT count(*) WHERE {
  ?x0 a ns:business.employer .
  ?x0 ns:organization.organization.founders ?x1 .
  ?x0 ns:organization.organization.founders M1 .
  ?x1 ns:film.editor.film M2 .
  ?x1 ns:film.writer.film M2
  }