What parent of M3 's parent was a British cinematographer that executive produced M1
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M3
}