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: "What region whose name means "Estate of the Salt Chamber" has Austria's third largest lake?" whose answer is Salzkammergut.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Region name related to "Estate of the Salt Chamber" in Austria
Useful Output:

Doc 1: The main river of the region is the Traun, a tributary of the Danube. The name Salzkammergut means "Estate of the Salt Chamber" and derives
Doc 2: Gmunden to commemorate the 2008 Upper Austria's Provincial<br />. Exhibition "Salzkammergut" (estate of the Salt Chamber). <strong>Stamp
Doc 3: Austria is the name, a formerly world-historically significant name for a region which  (“Estate of the Salt Chamber”) divulges the commercial
Doc 4: The name of the Salzkammergut traces back to the region's  It literally translates to “Estate of the Salt Chamber” in German
Doc 5: The main river of the region is the Traun. The name Salzkammergut means "Estate of the Salt Chamber". This is from the Imperial Salt Chamber, the group who