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 was the public research university which  Carol Brayne is a Professor of Public Health Medicine at founded?" whose answer is in 1209.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the university of cambridge founded
Useful Output:

Doc 1: The official founding of Cambridge University is traced to the enhancement, by a charter in 1231 from King Henry III, which awarded the ius non
Doc 2: Join medieval historian, television producer and writer Helen Carr, as she guides us around the Colleges of Cambridge University.
Doc 3: It was founded in 1209 (by a group of scholars fleeing Oxford), making it the world's fourth-oldest surviving university. Lord Byron, the famous
Doc 4: Founded in 1209, the University of Cambridge is the world's third-oldest university in continuous operation. The university's founding followed the arrival of
Doc 5: The University started as a group of scholars in the city of Cambridge. This may have started in 1209 when scholars left Oxford after a fight with local people.