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: "The 2014 Abu Dhabi Grand Prix was held at a circuit designed by who?" whose answer is Hermann Tilke.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Abu Dhabi Grand Prix circuit designer 2014
Useful Output:

Doc 1: Yas Marina Circuit is another Hermann Tilke-designed track. All three sectors have different characteristics, and overtaking can be difficult at
Doc 2: How will the remodelled Yas Marina Circuit produce better racing? RaceFans spoke to two of the team behind the revamped track to find out.
Doc 3: Hermann Tilke, designer of the Yas Marina Circuit, has said external factors often impact upon his designs, and Abu Dhabi is no different.
Doc 4: Suzi Perry introduces live coverage of the Abu Dhabi Grand Prix as the Formula 1 season reaches its conclusion at the Yas Marina Circuit.
Doc 5: Designed by renowned circuit architect Hermann Tilke, Yas Marina has a waterfront setting scenic enough to rival the likes of Monaco and