Was M3 founded by M4 and founded by a British female screenwriter
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:people.person.gender ns:m.02zsn .
?x0 ns:people.person.nationality ns:m.07ssc .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders M4
}