instruction:
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.
question:
Who sang the theme song to scooby doo?
answer:
Who sang the theme song to the TV series Scooby Doo, Where Are You! from 1969-1970?


question:
When did the facebook messenger app come out?
answer:
When was the facebook messenger app originally developed as Facebook Chat?


question:
Who is the captain of indian cricket team right now?
answer:

Who is the present captain of the Indian cricket team?