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 capital of the country where the Cinquera municipality is located ?" whose answer is San Salvador.
Each document should contain about 30 words, and these documents should contain useful information.

Query: capital of Spain
Useful Output:

Doc 1: As the capital of Spain, Madrid is the epicentre of Spanish culture, art and history. But did you know Madrid wasn't always Spain's capital?
Doc 2: The capital of Spain is Madrid. Spain's bustling capital reigns as the country's largest city with 3.3 million residents.
Doc 3: the capital and largest city situated centrally in Spain; home of an outstanding art museum. synonyms: Madrid, Spanish capital. see moresee less.
Doc 4: Paired with a tied fourth place ranking with New Orleans when it came to opinions from food experts, it not only makes Madrid the best city for
Doc 5: #Madrid, the capital of culture and modernity - Spain · Comments.