Did M2 , M3 , M4 , M5 , M6 , and M7 influence a Mexican film editor
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:people.person.nationality ns:m.0b90_r .
M2 ns:influence.influence_node.influenced ?x0 .
M3 ns:influence.influence_node.influenced ?x0 .
M4 ns:influence.influence_node.influenced ?x0 .
M5 ns:influence.influence_node.influenced ?x0 .
M6 ns:influence.influence_node.influenced ?x0 .
M7 ns:influence.influence_node.influenced ?x0
}