Were M2 , M5 , M6 , and M7 written by M3 and M4 and produced by a company acquired by M1
SELECT count(*) WHERE {
?x0 a ns:business.employer .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M2 ns:film.film.written_by M3 .
M2 ns:film.film.written_by M4 .
M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M5 ns:film.film.written_by M3 .
M5 ns:film.film.written_by M4 .
M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M6 ns:film.film.written_by M3 .
M6 ns:film.film.written_by M4 .
M7 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M7 ns:film.film.written_by M3 .
M7 ns:film.film.written_by M4
}