question: What actor that M4 , M5 , M6 , and M7 influenced and M1 and M2 were influenced by was M3 's executive producer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.actor .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:influence.influence_node.influenced M1 .
  ?x0 ns:influence.influence_node.influenced M2 .
  ?x0 ns:influence.influence_node.influenced_by M4 .
  ?x0 ns:influence.influence_node.influenced_by M5 .
  ?x0 ns:influence.influence_node.influenced_by M6 .
  ?x0 ns:influence.influence_node.influenced_by M7
  }