question: Which founder of M0 , M1 , M2 , and M3 did a film producer influence
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:organization.organization_founder.organizations_founded M0 .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:organization.organization_founder.organizations_founded M2 .
  ?x0 ns:organization.organization_founder.organizations_founded M3 .
  ?x1 a ns:film.producer
  }