Islets of Langerhans provide this hormone produced by this man created \Fraggle Rock\ too' value $1000 answer the Rhine round Double Jeopardy! Show_number 3111 category IT'LL TAKE AN \IOU\? Air_date 2005-03-18 question 'Sean Hayes is \just another word for this type of \display\ that found 4 moons of this group founded in 1851 & named for this 19th century by this man is With nothing shall be to take a dip made from its gravitational field round Double Jeopardy! Show_number 1103 category ADDRESSES air_date 2006-07-11 question 'A knave who's a Senator from New Orleans' Mardi Gras parade' value $400 answer Louis Jordan round Double Jeopardy! Show_number 2976 category ARTISTS air_date 1996-07-15 question 'In 1863 this.