Did a cinematographer that M2 and M3 were founded by write and edit M1
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:film.editor.film M1 .
?x0 ns:film.writer.film M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:organization.organization_founder.organizations_founded M3
}