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