Did a actor that M1 was executive produced by and starred executive produce M2
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2
}