Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
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.
Solution: who has the maximum number of followers on instagram
Reason: 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.

Now, solve this instance: Buenos Aires (/ ˌbweɪnəs ˈɛəriːz / or /-ˈaɪrɪs /; Spanish pronunciation: (ˈbwenos ˈaiɾes)) is the capital and most populous city of Argentina. The city is located on the western shore of the estuary of the Río de la Plata, on the South American continent's southeastern coast. 'Buenos Aires' can be translated as 'fair winds' or 'good airs', but the former was the meaning intended by the founders in the 16th century, by the use of the original name 'Real de Nuestra Señora Santa María del Buen Ayre'. The Greater Buenos Aires conurbation, which also includes several Buenos Aires Province districts, constitutes the fourth-most populous metropolitan area in the Americas, with a population of around 17 million.
Student:
where is buenos aires located on a world map