Did M2 and M4 influence a Swedish cinematographer and influence M3
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M2 ns:influence.influence_node.influenced ?x0 .
M2 ns:influence.influence_node.influenced M3 .
M4 ns:influence.influence_node.influenced ?x0 .
M4 ns:influence.influence_node.influenced M3
}