question: Did M3 and M4 employ a Chinese female film producer 's spouse
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses ?x1 .
  ?x1 a ns:film.producer .
  ?x1 ns:people.person.gender ns:m.02zsn .
  ?x1 ns:people.person.nationality ns:m.0d05w3 .
  FILTER ( ?x0 != ?x1 ) .
  M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
  M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
  }