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: "Juan Jufré was the governor of the Argentine province that historially comprised which provinces?" whose answer is San Juan, San Luis and Mendoza.
Each document should contain about 30 words, and these documents should contain useful information.

Query: historical territories of La Rioja Province
Useful Output:

Doc 1: In fact the Cortes de Cádiz declared La Rioja an independent province in 1812, whereas in 1922 the province of Logroño was create by royal
Doc 2: The History of La Rioja​​ Before the Romans conquered the Iberian Peninsula, the region of La Rioja was inhabited by a Celtic group of people
Doc 3: Although Rioja has a long history of association with Bordeaux, it arguably has more in common with Burgundy.
Doc 4: La Rioja was one of the thirteen provinces signatories of the Argentine Constitution of 1853, by which the Argentine Republic was constituted.
Doc 5: Find Rioja Map stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection.