Was a founder of M1 , M2 , and M3 a cinematographer
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:organization.organization_founder.organizations_founded M3
}