In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.

Example input: This list contains the top 25 accounts with the most followers on the social photo-sharing platform Instagram. As of May 2018, the most followed user is Instagram's own account, with over 235 million followers. Selena Gomez is the most followed individual, with over 137 million followers. Ten accounts have exceeded 100 million followers on the site.
Example output: who has the maximum number of followers on instagram
Example explanation: The answer is talking about the Instagram accounts that have the most followers. The question asking about the maximum number of followers. So this is a good example.
Q: The Jones -- Shafroth Act (Pub. L. 64 -- 368, 39 Stat. 951, enacted March 2, 1917) -- also known as the Jones Act of Puerto Rico, Jones Law of Puerto Rico, or as the Puerto Rican Federal Relations Act of 1917 -- was an Act of the United States Congress, signed by President Woodrow Wilson on March 2, 1917. The act superseded the Foraker Act and granted U.S. Citizenship to anyone born in Puerto Rico on or after April 25, 1898. It also created the Senate of Puerto Rico, established a bill of rights, and authorized the election of a Resident Commissioner (previously appointed by the President) to a four-year term. The act also exempted Puerto Rican bonds from federal, state, and local taxes regardless of where the bond holder resides.
A:
what is the purpose of the jones shafroth act