question: Was a female person 's female parent M2
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:people.person.gender ns:m.02zsn .
  M2 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x0 .
  M2 ns:people.person.gender ns:m.02zsn
  }