What did a founder of M1 and M2 executive produce and M0 write
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.written_by M0 .
?x1 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:organization.organization_founder.organizations_founded M2
}