Was M2 founded by M3 , founded by M0 's executive producer , and founded by a film producer
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x1 a ns:film.producer .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders ?x1 .
M2 ns:organization.organization.founders M3
}