question: Was a screenwriter that M2 and M3 were influenced by and M4 and M5 were influenced by M0
query: SELECT count(*) WHERE {
  M0 a ns:film.writer .
  M0 ns:influence.influence_node.influenced M2 .
  M0 ns:influence.influence_node.influenced M3 .
  M0 ns:influence.influence_node.influenced M4 .
  M0 ns:influence.influence_node.influenced M5
  }