Was a Canadian employee of M1 , M2 , M3 , M4 , M5 , and M6 M0
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.employment_history/ns:business.employment_tenure.company M4 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M5 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M6 .
M0 ns:people.person.nationality ns:m.0d060g
}