question: What British executive producer of M0 was employed by and founded M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x0 ns:people.person.nationality ns:m.07ssc
  }