Did M2 and M4 influence a screenwriter , marry M1 's director 's child , and influence M3
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x2 .
?x2 ns:film.director.film M1 .
FILTER ( M2 != ?x1 ) .
FILTER ( M4 != ?x1 ) .
M2 ns:influence.influence_node.influenced ?x0 .
M2 ns:influence.influence_node.influenced M3 .
M2 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x1 .
M4 ns:influence.influence_node.influenced ?x0 .
M4 ns:influence.influence_node.influenced M3 .
M4 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x1
}