Teacher:Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
Teacher: Now, understand the problem? Solve this instance: The Battle of Milne Bay (25 August -- 7 September 1942), also known as Operation RE by the Japanese, was a battle of the Pacific campaign of World War II. Elite Japanese naval troops, known as Kaigun Rikusentai (Special Naval Landing Forces), with tank support attacked the Allied airfields at Milne Bay that had been established on the eastern tip of New Guinea.
Student:
On what date did Battle of Milne Bay end?