Was M3 influenced by M4 and influenced by a Swedish actor that was influenced by M1
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M3 ns:influence.influence_node.influenced_by ?x0 .
M3 ns:influence.influence_node.influenced_by M4
}