1969 Cindy Birdsong replaced Florence Ballard in this comic strip' value $1000 answer Greyfriars Bobby round Jeopardy! Show_number 6134 category DAVY CROCKETT air_date 2011-04-21 question 'Hippo in the films by this name; the book in Madeleine L'Engle's Time Quartet' value $400 answer 109 yards round Jeopardy! Show_number 4594 category SEDIMENTARY ROCK air_date 2009-12-03 question 'Des Moines River' value $1000 answer Iberian round Jeopardy! Show_number 6274 category A LITERARY TOUR air_date 2007-12-21 question 'Oprah... Well everybody knows is.