question: Did M3 employ a British screenwriter 's parent and employ a person
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x2 .
  ?x2 a ns:film.writer .
  ?x2 ns:people.person.nationality ns:m.07ssc .
  M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
  M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x1
  }