question: Was M0 a character that M2 , M3 , and M4 were influenced by and M5 and M6 were influenced by
query: SELECT count(*) WHERE {
  M0 a ns:fictional_universe.fictional_character .
  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
  }