Which French person that M4 's writer and star influenced was a writer of M1 and M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:people.person.nationality ns:m.0f8l9c .
?x1 ns:film.actor.film/ns:film.performance.film M4 .
?x1 ns:film.writer.film M4
}