Task: Explanation
Input (English): Klaatu was a Canadian progressive rock group formed in 1973 by the duo of John Woloschuk and Dee Long. They named themselves after the extraterrestrial character Klaatu in the film "The Day the Earth Stood Still". After recording two non-charting singles, drummer Terry Draper was added to the line-up; this trio would comprise Klaatu throughout the rest of the band's recording career. Question: 3:47 EST is the first album by a rock group named after an extraterrestrial character from what film? Answer: The Day the Earth Stood Still
Output (English):  They named themselves after the extraterrestrial character Klaatu in the film The Day the Earth Stood Still.