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: "when did beethoven compose his six easy variations on a swiss tune in f major for piano?" whose answer is 1790–1792.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when Beethoven composed Six Easy Variations on a Swiss Tune in F major, Op. 74
Useful Output:

Doc 1: Beethoven wrote many sets of variations. This one was not published in his lifetime.
Doc 2: 6 in B Minor, Op. 74 is Tchaikovsky's final composition. Called the “Passionate Symphony” by the composer, it was mistranslated into French
Doc 3: List of compositions by Ludwig van Beethoven The musical works of Ludwig van Beethoven (1770–1827) are listed below.
Doc 4: Beethoven - Six Easy Variations on a Swiss Tune in F Major for Piano, Wo0 64 · Comments88.
Doc 5: Beethoven's Six variations on a Swiss song was composed between 1790 and 1792 amd published in 1798. Ludwig van Beethoven (1770 - 1827) was a seminal German