Was M3 influenced by a Swedish film producer that M1 was produced by and was written by
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M3 ns:influence.influence_node.influenced_by ?x0
}