question: Was a actor whose spouse married M2 , M3 , and M4 M1 's employee and founder
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?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 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M2 .
  ?x1 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M3 .
  ?x1 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M4 .
  FILTER ( ?x0 != ?x1 ) .
  FILTER ( ?x1 != M2 ) .
  FILTER ( ?x1 != M3 ) .
  FILTER ( ?x1 != M4 )
  }