Were M2 and M6 founded by M0 's British executive producer , founded by M3 , and founded by M4 and M5
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:people.person.nationality ns:m.07ssc .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders M3 .
M2 ns:organization.organization.founders M4 .
M2 ns:organization.organization.founders M5 .
M6 ns:organization.organization.founders ?x0 .
M6 ns:organization.organization.founders M3 .
M6 ns:organization.organization.founders M4 .
M6 ns:organization.organization.founders M5
}