Were M4 , M5 , and M6 written by a screenwriter whose British parent influenced M1 and M2
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
?x1 ns:influence.influence_node.influenced M1 .
?x1 ns:influence.influence_node.influenced M2 .
?x1 ns:people.person.nationality ns:m.07ssc .
M4 ns:film.film.written_by ?x0 .
M5 ns:film.film.written_by ?x0 .
M6 ns:film.film.written_by ?x0
}