Passage: Lawther's professional debut came at the age of 16, when he appeared as John Blakemore in David Hare's South Downs at Chichester Festival Theatre. He made his feature film debut as the young Alan Turing in the Academy Award-winning film The Imitation Game (2014). The role won him the London Film Critics' Circle Award for "Young British Performer of the Year" in 2015. In 2015, he appeared in a supporting role in the critically acclaimed coming-of-age drama film X+Y. In 2016, he gained his first lead role playing Elliot, alongside Juliet Stevenson in the British film, Departure, the debut film of Andrew Steggall.In 2016, Lawther played the main character Kenny in "Shut Up and Dance", an episode from series three of the British science fiction anthology series Black Mirror. While the episode overall received mixed reviews, Lawther received acclaim and significant recognition for his performance. In 2017, he also starred, alongside Jessica Barden, as James in the television series, The End of the F***ng World. The role also brought Lawther more acclaim from critics.

Question: In what year did Lawther appear in the film X + Y?
2015