Did M2 , M3 , and M4 influence a French cinematographer
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:people.person.nationality ns:m.0f8l9c .
M2 ns:influence.influence_node.influenced ?x0 .
M3 ns:influence.influence_node.influenced ?x0 .
M4 ns:influence.influence_node.influenced ?x0
}