Question: Who sang still crazy after all these years?

context: No context provided
question: Who originally sang still crazy after all these years?
short_answers: Paul Simon
context: The title track has been recorded by Rosemary Clooney (on her 1993 album "Still on the Road"), Ray Charles (on his 1993 album "My World"), Karen Carpenter (on her self-titled solo album released posthumously in 1996), and Willie Nelson (on the soundtrack of the 2000 motion picture "Space Cowboys").
question: Who sang still crazy after all these years in 2000?
short_answers: Willie Nelson
context: The title track has been recorded by Rosemary Clooney (on her 1993 album "Still on the Road"), Ray Charles (on his 1993 album "My World"), Karen Carpenter (on her self-titled solo album released posthumously in 1996), and Willie Nelson (on the soundtrack of the 2000 motion picture "Space Cowboys").
question: Who sang still crazy after all these years in 1996?
short_answers: Karen Carpenter
context: The title track has been recorded by Rosemary Clooney (on her 1993 album "Still on the Road"), Ray Charles (on his 1993 album "My World"), Karen Carpenter (on her self-titled solo album released posthumously in 1996), and Willie Nelson (on the soundtrack of the 2000 motion picture "Space Cowboys").
question: Who sang still crazy after all these years in 1993?
short_answers: Ray Charles

Answer: "Still Crazy After All These Years" is a song by the American singer-songwriter Paul Simon. The title track has been recorded by Rosemary Clooney (on her 1993 album Still on the Road), Ray Charles (on his 1993 album My World), Karen Carpenter (on her self-titled solo album released posthumously in 1996), and Willie Nelson (on the soundtrack of the 2000 motion picture Space Cowboys).