Was M0 M1 's Dutch British male employee
SELECT count(*) WHERE {
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
M0 ns:people.person.gender ns:m.05zppz .
M0 ns:people.person.nationality ns:m.059j2 .
M0 ns:people.person.nationality ns:m.07ssc
}