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 was the city of san francisco founded?" whose answer is June 29, 1776.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was san francisco founded
Useful Output:

Doc 1: San Francisco was founded in 1776 as part of Spain's mission to convert the area's Native American inhabitants to Catholicism. It was
Doc 2: San Francisco (Spanish for Saint Francis), was founded June 29, 1776 by colonists from Spain. It's named after St Francis of Assisi (the
Doc 3: Mission San Francisco de Asís was founded by Padre Francisco Palóu on October 9, 1776. The Spanish Empire claimed San Francisco as part of Las Californias, a
Doc 4: San Francisco is a city with a long and rich history. Founded in 1776 by Spanish settlers, the city was originally named “Yerba Buena” after
Doc 5: San Francisco (Spanish for Saint Francis), was founded June 29, 1776 by colonists from Spain. It's named after St Francis of Assisi (the Saint