What American person executive produced M6 and wrote M1 , M2 , M3 , M4 , and M5
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.producer.films_executive_produced M6 .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:film.writer.film M3 .
?x0 ns:film.writer.film M4 .
?x0 ns:film.writer.film M5 .
?x0 ns:people.person.nationality ns:m.09c7w0
}