Who was influenced by M2 's writer , influenced by a British film producer , and influenced by M1
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x1 ns:film.writer.film M2 .
?x2 a ns:film.producer .
?x2 ns:people.person.nationality ns:m.07ssc
}