Did M4 's employee edit M0 , M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M4
}