question: Was M0 a film producer influenced by M2 , M3 , M4 , and M5 , influenced by M6 , and influenced by M7
query: SELECT count(*) WHERE {
  M0 a ns:film.producer .
  M0 ns:influence.influence_node.influenced_by M2 .
  M0 ns:influence.influence_node.influenced_by M3 .
  M0 ns:influence.influence_node.influenced_by M4 .
  M0 ns:influence.influence_node.influenced_by M5 .
  M0 ns:influence.influence_node.influenced_by M6 .
  M0 ns:influence.influence_node.influenced_by M7
  }