Was a actor that a person was influenced by and M2 was influenced by a film producer
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 a ns:film.producer .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced M2 .
?x1 a ns:people.person
}