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: "Kollegienkirche, Salzburg is a venue of the festival of music established in what year?" whose answer is 1920.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Kollegienkirche Salzburg music festival establishment year
Useful Output:

Doc 1: Today, our view of the Austrian festival event as it emerged after 1918 is shaped not only by the post-1945 triumph of the Salzburg Festival,
Doc 2: Kollegienkirche, Salzburg ; University church; Salzburg Festival venue · Baroque · 1707 (1707).
Doc 3: Built by Johann Bernhard Fischer von Erlach, it looks back on an exciting history and has gained a reputation in the City of Mozart as a venue for art and music
Doc 4: Guided tour with Christian Wallisch-Breitsching on the history and architecture of the Kollegienkirche and Martina Stock on the installation.
Doc 5:  music and drama, and the organisers sell over 200,000 tickets each year. The event was officially established in August 1920 by Austrian