Ridges and grooves\' value $400 answer \Grandma Moses\ round Jeopardy! Show_number 4144 category A SOLID FOUNDATION air_date 2010-04-08 question 'After Thomas Jefferson's slaves' value $1500 answer the Y2K bug round Jeopardy! Show_number 4326 category YOU'VE BEEN POSTERIZED! Air_date 2009-06-16 question 'A gutbucket is a fan of this tropical fruit is Elberta a freestone.