sentences:  In a March 2015 interview with Joe Utichi in "The Sunday Times", Smith announced that the sixth season of "Downton Abbey" would be her last (it was in fact the last to be produced).On 30 October 2015, Smith appeared on BBC's "The Graham Norton Show", her first appearance on a chat show in 42 years.During the show, Smith discussed her appearance in the comedy-drama film "The Lady in the Van", which was directed by Nicholas Hytner.