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: "how many numbers in a spanish phone number?" whose answer is nine.
Each document should contain about 30 words, and these documents should contain useful information.

Query: format of a spanish phone number
Useful Output:

Doc 1: Every Spanish telephone number has three major elements: +34 (country code), a service indicator (1 to 2 digits), and a subscriber number (7 to 8 digits).
Doc 2: The format for phone numbers in Spain is +34 XXX XXX XXX, where the first three digits after the country code represent the area code. The
Doc 3: A telephone number can have a maximum of 15 digits · The first part of the telephone number is the country code (one to three digits) · The second
Doc 4: If you speak Spanish, then use the formal form usted until the person invites you to use the familiar form of address tu. Spanish Phone Numbers.
Doc 5: Divide each group of numbers in pairs. If a group has 3 numbers divide it in 1-2. For example: 263-362-8362, dos sesenta y tres - tres sesenta