Were M2 , M4 , and M5 employed by M1 's employer , employed by a film producer 's parent , and employed by M3
SELECT count(*) WHERE {
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x1 a ns:film.producer .
?x2 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M4 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M4 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
M4 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M5 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M5 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
M5 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}