Did M3 employ a spouse of M2 's writer and costume designer and employ a male child of M1
SELECT count(*) WHERE {
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
?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 ?x2 .
?x2 ns:film.film_costumer_designer.costume_design_for_film M2 .
?x2 ns:film.writer.film M2 .
FILTER ( ?x1 != ?x2 ) .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x1
}