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 was the first mayor of san antonio?" whose answer is Juan Leal Goraz.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first mayor of san antonio 1837
Useful Output:

Doc 1:  mayor of San Antonio. Seguín, a native San Antonian, was born in 1806  Seguín was elected to the Republic of Texas Senate in 1837--the
Doc 2: In 1981 Henry Cisneros was elected the city's first Hispanic mayor since the mid-19th century; Cisneros served until 1989. In 2001 Ed Garza
Doc 3: Boehle, Louis L. · Bourgeois, Jules Simon · Braden, Edward ; 1846 · 1844 · 1850 ; Orem, Janice Louise Kurka · Sloan, Mary Lee Gussen · Hannon, Jeffrey Laager
Doc 4: On Sept. 19, 1837, John W. Smith was elected mayor — though records translated to English from Spanish say he was elected “president” of the
Doc 5:  city. So to me, that's that's what it's all about. In your first months as mayor, what would the people of San Antonio see that