(NPR)On-air challengeEvery answer today is a familiar three-word phrase in which the middle word is “of.” The first word starts with S and the last word starts with L.Ex. Rearrange its 26 letters to name a famous film director (first and last names) and a noted role on stage (in two words). Challenge answerSteven Spielberg; Lady MacbethWinnerSarah Garber of Cornelius, North CarolinaThis week’s challengeThis week’s challenge came from Bobby Jacobs, of Glen Allen, Va. Take the first and last names of a famous athlete. If you know the answer to the challenge, submit it below by Thursday, August 28th at 3 p.m. Listeners whose answers are selected win a chance to play the on-air puzzle.