Given the task definition, example input & output, solve the new input case.
Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
Example: Sentence: The Obama administration is developing additional screening protocols for airline passengers both overseas and in the United States to control infectious diseases such as Ebola, President Barack Obama said Monday .<sep>Span: Obama administration
Output: What was the duration of the Obama administration?
It is an inquisitive question based on the specific span of the sentence.

New input case for you: Sentence: An Internet video of six young Iranian men and women dancing to Pharrell Williams ' " Happy " has led to their arrests , showing how far Tehran will go to halt what it deems to be decadent Western behavior - despite the views of its moderate president .<sep>Span: " Happy "
Output:
Is that a popular song?