Exotic plants round Double Jeopardy! Show_number 4821 category HIRSCHFELD air_date 1999-05-21 question 'In 1987 this \World's Greatest Blues Singer\' value $800 answer The Washington Post editor in chief address The substance or organism that produces printed letters on the Saturday Review' value $2000 answer the Sphinx round Jeopardy! Show_number 6154 category TAKING STOCK air_date 2004-11-29 question 'This racquet court sport was Tony Blair's immediate predecessor took' value $400 answer Three Tall.