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: "Bousillage was historically used in a region of the US with the exploration done by who?" whose answer is Jacques Cartier.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Spanish explorers who explored the Mississippi Valley
Useful Output:

Doc 1: HISTORY OF NORTH AMERICA - Hernando de Soto was a Spanish explorer and conquistador who led the first European expedition deep into the
Doc 2: René Robert Cavelier, Sieur de La Salle, sailed from Rochefort, France, on August 1, 1684, to seek the mouth of the Mississippi River by sea.
Doc 3: On May 8, 1541, Spanish explorer Hernando de Soto becomes the first European colonizer to discover the Mississippi River.
Doc 4: In 1540, Francisco Vázquez de Coronado led an expedition of 336 Spaniards, 1,000 to 1,200 Indians, 552 horses, 600 mules, 5,000 sheep and 500
Doc 5: Spain sent a series of military expeditions to explore the Great Plains beginning in 1541. Converting Indians would bring glory to the converter.