Did a company 's founder influence M0 and M1 and influence M2 's Mexican writer
SELECT count(*) WHERE {
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced M0 .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:organization.organization_founder.organizations_founded ?x2 .
?x1 ns:film.writer.film M2 .
?x1 ns:people.person.nationality ns:m.0b90_r .
?x2 a ns:business.employer
}