TASK DEFINITION: In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
PROBLEM: Who sings the theme song of doc mcstuffins?

SOLUTION: Who sings the theme song of doc mcstuffins seasons 1-3?

PROBLEM: Who were the first european to reach the americas and when did they arrive?

SOLUTION: Who were the first Europeans to reach the Americas?

PROBLEM: Where did the nationalists meet in 1786 to discuss the issues regarding the united states government?

SOLUTION:
At what event did the nationalists meet in 1786 to discuss the issues regarding the united states government?