Was M0 a British Italian employee of M1 , M2 , and M3
SELECT count(*) WHERE {
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M0 ns:people.person.nationality ns:m.03rjj .
M0 ns:people.person.nationality ns:m.07ssc
}