Context and question: David Archuleta's performance of John Lennon's "Imagine" was considered by many as one of the best of the season. Jennifer Lopez, who was brought in as a judge in season ten, called it a beautiful song-moment that she will never forget. Jason Castro's semi-final performance of "Hallelujah" also received considerable attention, and it propelled Jeff Buckley's version of the song to the top of the Billboard digital song chart. This was the first season in which contestants' recordings were released onto iTunes after their performances, and although sales information was not released so as not to prejudice the contest, leaked information indicated that contestants' songs frequently reached the top of iTunes sales charts.
Whose recording of Hallelujah became successful again after being performed on American Idol?
Answer: Jeff Buckley
Context and question: Different methods can be used to define southern Europe, including its political, economic, and cultural attributes. Southern Europe can also be defined by its natural features — its geography, climate, and flora.
What are three characteristics that can be employed to characterize southern Europe?
Answer: political, economic, and cultural attributes
Context and question: Archaeological evidence shows that Homo erectus lived in the region now known as Myanmar as early as 400,000 years ago. The first evidence of Homo sapiens is dated to about 11,000 BC, in a Stone Age culture called the Anyathian with discoveries of stone tools in central Myanmar. Evidence of neolithic age domestication of plants and animals and the use of polished stone tools dating to sometime between 10,000 and 6,000 BC has been discovered in the form of cave paintings near the city of Taunggyi.
What is the name of the civilization that is believed to be one of the oldest. 
Answer:
Anyathian