Was M3 influenced by a film director , influenced by M1 's Mexican employee , and influenced by M4 and M5
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x1 ns:people.person.nationality ns:m.0b90_r .
M3 ns:influence.influence_node.influenced_by ?x0 .
M3 ns:influence.influence_node.influenced_by ?x1 .
M3 ns:influence.influence_node.influenced_by M4 .
M3 ns:influence.influence_node.influenced_by M5
}