Did M2 employ M3 and M4 and employ a British character
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:people.person.nationality ns:m.07ssc .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M4
}