Question: What is the most watched video on youtube of all time?
Answer: Despacito
Disambiguated annotations:
qaPairs: question: What is the most watched video on youtube of all time as of August 4, 2017?
answer: Despacito
question: What is the most watched video on youtube of all time as of July 10, 2017?
answer: See You Again
question: What is the most watched video on youtube of all time as of November 24, 2012?
answer: Gangnam Style