Were M3 , M4 , M5 , M6 , and M7 founded by a British executive producer of M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:people.person.nationality ns:m.07ssc .
M3 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders ?x0 .
M6 ns:organization.organization.founders ?x0 .
M7 ns:organization.organization.founders ?x0
}