Did M4 , M5 , M6 , and M7 employ a female British actor whose country of nationality employed M3
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:people.person.gender ns:m.02zsn .
?x0 ns:people.person.nationality ?x1 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M5 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M6 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M7 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}