You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Which battle happened first? Operation Overlord or the Battle of the Ch'ongch'on River?" whose answer is Operation Overlord.
Each document should contain about 30 words, and these documents should contain useful information.

Query: date of Battle of the Ch'ongch'on River
Useful Output:

Doc 1: He was reportedly killed on Nov. 28, after the Battle of the Ch'ongch'on River, Republic of Korea. Returning POWs reported that Hathaway was
Doc 2: Attacks on Yalu River bridges, November 1950. A Navy AD-3  Battle of the Ch'ongch'on River would also become known as “The Big
Doc 3: The Battle for Hill 205 illustrates the changing situation that came to define Phase 3 of the Korean War (November 3, 1950 - January 24, 1951).
Doc 4: Forward units of the Eighth Army, including the American Second Division, began crossing the Ch'ongch'on River on the morning of November 24th.
Doc 5: Soldiers from the US 2nd Infantry Division near the Ch'ongch'on River, 20 November 1950, Korean War. [3000X2058]