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: "who wrote many of the letters to churches in the new testament?" whose answer is Paul the Apostle.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who wrote many of the letters to churches in the new testament
Useful Output:

Doc 1: Paul wrote thirteen letters during his Christian ministry: Romans, 1 and 2 Corinthians, Galatians, Ephesians, Philippians, Colossians, 1 and 2 Thessalonians, 1
Doc 2: The word epistle means “letter,” and in New Testament studies, it refers to letters written by the Apostles to churches or individuals.
Doc 3: The New Testament letter-carriers were undoubtedly key figures in the early Church, who performed an important role. Sending the Epistles with
Doc 4: There are thirteen letters in the New Testament which begin by naming Paul as the person (or one of the people) responsible for writing the
Doc 5: Of the 27 books of the New Testament, at least 13 are attributed to the apostle Paul. Who was Paul, and why are his letters important enough