question: Were M2 and M3 founded by M1 's child 's spouse 's spouse and founded by a production company 's employee
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 a ns:film.production_company .
  ?x2 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x3 .
  ?x3 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x4 .
  ?x4 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
  FILTER ( ?x2 != ?x3 ) .
  FILTER ( ?x3 != ?x4 ) .
  M2 ns:organization.organization.founders ?x0 .
  M2 ns:organization.organization.founders ?x2 .
  M3 ns:organization.organization.founders ?x0 .
  M3 ns:organization.organization.founders ?x2
  }