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 is the offcial name of the cup which an annual knockout football competition and Crewe Alexandra'swill also participate along with competing in League Two?" whose answer is The Football Association Challenge Cup.
Each document should contain about 30 words, and these documents should contain useful information.

Query: FA Cup official name
Useful Output:

Doc 1: The FA Cup is the oldest cup competition in the world and is the biggest and most famous knockout tournament in English football.
Doc 2: This is an overview of all title holders of the competition FA Cup in chronological order. It also shows record winners and champion managers.
Doc 3: The FA Cup (Football Association Challenge Cup) is the oldest existing football competition. It is the oldest among all tournaments as well as all leagues that
Doc 4: The FA Cup is the oldest active football competition in the world, first played in the 1871-72 season. Inside: a list of all finals and
Doc 5: The FA Cup (known as The Emirates FA Cup for sponsorship reasons) is a national football competition. It is played between teams in the English league