Question: Gemma Christina Arterton, is an English actress, she plays the lead role in which 2016 British war comedy-drama film directed by Lone Scherfig and written by Gaby Chiappe, based on the 2009 novel "Their Finest Hour and a Half" by Lissa Evans?
{'answer': 'Their Finest', 'supporting_facts': [['Gemma Arterton', 5], ['Their Finest', 0]]}