Were M3 and M4 executive produced by a film director that M1 and M2 were influenced by
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
M3 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.executive_produced_by ?x0
}