Was M1 executive produced by M2 and M3 , written by M4 and M5 , and written by a company
SELECT count(*) WHERE {
?x0 a ns:business.employer .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M1 ns:film.film.written_by ?x0 .
M1 ns:film.film.written_by M4 .
M1 ns:film.film.written_by M5
}