Was a film producer that a writer and director of M0 was influenced by and influenced M1
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.writer.film M0 .
M1 a ns:film.producer .
M1 ns:influence.influence_node.influenced ?x0 .
M1 ns:influence.influence_node.influenced_by ?x0
}