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 village government consists of a village president and six village trustees. The trustees represent the six districts within the village and are elected to four-year terms by the voters in each of their respective districts. The current village president of Oak Lawn is Dr. Sandra Bury, who was elected in April 2013 as the leader of a group of trustees known as 'Oak Lawn First' who defeated incumbent Mayor Dave Heilmann and his slate of candidates.
A:
who is the mayor of oak lawn illinois