Was a sequel of M0 executive produced by M1 's French employee
SELECT count(*) WHERE {
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.prequel M0 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x1 ns:people.person.nationality ns:m.0f8l9c
}