Was a film producer 's employee influenced by M0 and influenced by a screenwriter
SELECT count(*) WHERE {
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M0 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x1 a ns:film.writer .
?x2 a ns:film.producer
}