Was a Swedish film producer influenced by M3 's editor and influenced by M1
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:people.person.nationality ns:m.0d0vqn .
?x1 ns:film.editor.film M3
}