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: "Eisenwerke Oberdonau was created after what annexation of Austria into Nazi Germany?" whose answer is Anschluss.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Eisenwerke Oberdonau establishment date
Useful Output:

Doc 1: Early camps, youth camps, and concentration camps and sub camps under the SS- Business Administration Main Office. (WVHA) / editor, Geoffrey P.
Doc 2: Vor 80 Jahren begannen die Eisenwerke Oberdonau als Teil der Hermann-Göring-Werke und Vorgänger der späteren Voest und heutigen voestalpine
Doc 3: main supplier of steel to German war industry during World War II.
Doc 4: Der erste Spatenstich wurde am 13. Mai 1938 gesetzt. Am 15. Oktober 1941 ging der erste Hochofen in Betrieb.
Doc 5: Created after the Anschluss of Austria, it formed the part of the so-called Reichswerke Hermann Göring AG cartel, the main supplier of steel and iron for the