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 plays lilly on the young and the restless?

SOLUTION: Who plays lilly on the young and the restless in 1996?

PROBLEM: Who wanted to create a railroad from cape town to cairo?

SOLUTION: Who wanted to create a railroad from cape town to cairo originally?

PROBLEM: Who played the scare crow in wizard of oz?

SOLUTION:
Who played the scare crow in His Majesty, the Scarecrow of Oz?