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: "when did adam smith published the wealth of nations?" whose answer is 1776.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did adam smith publish the wealth of nations
Useful Output:

Doc 1: The Wealth of Nations was first published in 1776, and then revised by Smith and published in 4 further editions up to 1789. It is composed
Doc 2: It was published by Adam Smith in 1776, when he was roughly fifty-three years old. Naturally, many American readers of Adam Smith's work have been struck by the
Doc 3: Adam Smith's An Inquiry into the Nature and Causes of the Wealth of Nations was first published in 1776. This edition of Smith's work is based on Edwin Cannan'
Doc 4: This edition was published in 1801 by James Decker (of Basle) and the Levrault brothers (of Paris) and it was the only edition to include an
Doc 5: An Inquiry into the Nature and Causes of the Wealth of Nations by Adam Smith is a publication of The. Electronic Classics Series.