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.
One 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 is here: who has the maximum number of followers on instagram
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.

Now, solve this: When Nadal was 12, he won the Spanish and European tennis titles in his age group and was playing tennis and football all the time. Nadal's father made him choose between football and tennis so that his school work would not deteriorate entirely. Nadal said: 'I chose tennis. Football had to stop straight away.'
Solution:
where did rafael nadal win his first tennis title