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: "where was civil rights act of 1964 signed?" whose answer is at the White House.
Each document should contain about 30 words, and these documents should contain useful information.

Query: where was the civil rights act of 1964 signed
Useful Output:

Doc 1: The Civil Rights Act of 1964 was signed into law on July 2, 1964, by U.S. President Lyndon B. Johnson. Who had proposed the Civil Rights Act?
Doc 2: This act, signed into law by President Lyndon Johnson on July 2, 1964, prohibited discrimination in public places, provided for the integration of schools and
Doc 3: The date on which the Senate passed the bill was June 19, 1964—precisely one year after “President John Kennedy sent to Congress a civil rights
Doc 4: Civil Rights Acts (1964, 1968) LBJ Signing the 1964 Act. The Civil Rights Act of 1964 is labor law legislation that outlawed discrimination based on race,
Doc 5: Video clip of LBJ's speech and signing of the Civil Rights Act of 1964. Broadcast live from the East Room of the White House. July 2, 1964.