Was M2 a person whose employer was founded by M1 's spouse and was founded by M0
SELECT count(*) WHERE {
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders M0 .
?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 M1 .
FILTER ( ?x1 != M1 ) .
M2 a ns:people.person .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
}