question: Was a Mexican film producer that founded M2 M1 's executive producer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:organization.organization_founder.organizations_founded M2 .
  ?x0 ns:people.person.nationality ns:m.0b90_r
  }