Was a executive producer of M0 influenced by M1 , influenced by M2 , and influenced by M3 's employee
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}