question: Did M2 found M3 and found a Mexican film producer 's employer
query: SELECT count(*) WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x1 a ns:film.producer .
  ?x1 ns:people.person.nationality ns:m.0b90_r .
  M2 ns:organization.organization_founder.organizations_founded ?x0 .
  M2 ns:organization.organization_founder.organizations_founded M3
  }