Was M2 founded by M3 and M4 , founded by M1 's cinematographer , and founded by a person
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x1 ns:film.cinematographer.film M1 .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders ?x1 .
M2 ns:organization.organization.founders M3 .
M2 ns:organization.organization.founders M4
}