Were M2 , M5 , and M6 founded by M3 and M4 and founded by a editor of M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders M3 .
M2 ns:organization.organization.founders M4 .
M5 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders M3 .
M5 ns:organization.organization.founders M4 .
M6 ns:organization.organization.founders ?x0 .
M6 ns:organization.organization.founders M3 .
M6 ns:organization.organization.founders M4
}