Was M2 founded by M3 , founded by M4 , M5 , M6 , and M7 , and founded by a Swedish person
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.nationality ns:m.0d0vqn .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders M3 .
M2 ns:organization.organization.founders M4 .
M2 ns:organization.organization.founders M5 .
M2 ns:organization.organization.founders M6 .
M2 ns:organization.organization.founders M7
}