Were M1 and M2 employed by a cinematographer 's child 's country of nationality
SELECT count(*) WHERE {
?x0 ^ns:people.person.nationality ?x1 .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x2 .
?x2 a ns:film.cinematographer .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
}