What screenwriter influenced by M2 and influenced by M3 , M4 , M5 , and M6 was M1 's executive producer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x0 ns:influence.influence_node.influenced_by M4 .
?x0 ns:influence.influence_node.influenced_by M5 .
?x0 ns:influence.influence_node.influenced_by M6
}