Was a cinematographer of M1 , M2 , M3 , and M4 M0 's employee and founder
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M1 .
?x0 ns:film.cinematographer.film M2 .
?x0 ns:film.cinematographer.film M3 .
?x0 ns:film.cinematographer.film M4 .
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0
}