question: Did M2 employ a film producer that M1 influenced and employ M3 , M4 , M5 , and M6
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person M5 .
  M2 ns:business.employer.employees/ns:business.employment_tenure.person M6
  }