question: Was a Mexican actor 's employer 's founder employed by M0
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
  ?x2 a ns:film.actor .
  ?x2 ns:people.person.nationality ns:m.0b90_r
  }