What company that M1 , M2 , and M3 founded did a screenwriter found
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:business.employer .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
?x0 ns:organization.organization.founders M3 .
?x1 a ns:film.writer
}