Did a person whose employer was acquired by M3 executive produce M1 and M2
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3
}