question: Was M0 a character that wrote M2 , wrote M3 , M4 , M5 , and M6 , and wrote M7
query: SELECT count(*) WHERE {
  M0 a ns:fictional_universe.fictional_character .
  M0 ns:film.writer.film M2 .
  M0 ns:film.writer.film M3 .
  M0 ns:film.writer.film M4 .
  M0 ns:film.writer.film M5 .
  M0 ns:film.writer.film M6 .
  M0 ns:film.writer.film M7
  }