Definition: In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
Input: Article: The big screen is never short of films about World WarII. When Nazi Germany is featured in these films, cruel Nazi officers and brutal concentration camps most often represent it. But the new Hollywood movie Valkyrie tells a different story, "a chapter of German history which is little known abroad", according to the German Cultural Minister Bernd Neumann. Valkyrie is based on a true incident that took place in 1944. Colonel Stauffenberg had been a loyal soldier for his entire military career. However, after losing an eye, a hand, and three fingers in an Allied bombing, _ . The destruction that his country had brought to its European neighbors had become too terrible for the colonel to bear in silence. He hoped that someone would find a way to stop Adolf Hitler, one of the most evil tyrants the world has ever known. Realizing that time was running out, he decided that he must take action himself and joined the German resistance. These men drew up Operation Valkyrie, a plot to assassinate Hitler and to overthrow his Nazi government from the inside. This plot is what the film is named after and focuses on. The Hollywood star Tom Cruise plays the lead role. "This was a very challenging film to make. We carried a huge responsibility to correctly portray history," Cruise said. However, the production has drawn criticism for lacking depth and for simplifying the motives behind the plot.
Answer: a movie about a plan to assassinate Hitler
Output:
The passage tells us that Valkyrieis _ .