question: Was M1 a film producer whose employer was founded by and employed M0
query: SELECT count(*) WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
  ?x0 ns:organization.organization.founders M0 .
  M1 a ns:film.producer .
  M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
  }