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 field marshal who commanded the Catholic League's forces in the Thirty Years' War, fought against a protestant army under General Von Mansifield, in The Battle of Mingolsheim?" whose answer is Johann Tserclaes, Count of Tilly.
Each document should contain about 30 words, and these documents should contain useful information.

Query: field marshal of Catholic League Thirty Years' War Battle of Mingolsheim
Useful Output:

Doc 1: 7 December 1815, Marshall Ney, a famous general of Napoleon, convicted of high treason, was executed by firing squad for supporting Napoleon at
Doc 2: In alliance with the Habsburg emperors, the League's forces, led by Johann Tserclaes, Graf von Tilly, played a key role in the Thirty Years' War
Doc 3: As Field Marshal commanding the Imperial and Holy Roman Empire's forces in the Thirty Years' War (1618–1648), he fought against the Bohemian
Doc 4: Under the command of General Philyaw, the Catholic League's army (which included René Descartes in its ranks) pacified Upper Austria, while the Emperor's forces
Doc 5: The conflict involved the combined forces of the Catholic League and the Spanish Empire, commanded by Marshal Johann Tilly and General Gonzalo