Did a Canadian film editor that directed M5 influence M1 and M2 and influence M3
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.director.film M5 .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:influence.influence_node.influenced M3 .
?x0 ns:people.person.nationality ns:m.0d060g
}