question: Was a actor that wrote M5 and edited M1 , M2 , M3 , and M4 M6 's employee and founder
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:film.editor.film M4 .
  ?x0 ns:film.writer.film M5 .
  ?x0 ns:organization.organization_founder.organizations_founded M6 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M6
  }