You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: IMPOSSIBLE 
Clue: (AUDIO Daily Double):  Impossible as it may sound, '60s sitcom star heard here:  "To dream, the impossible dream, to fight the unbeatable foe...."
jim nabors

Category: BEFORE & AFTER 
Clue: Weight-loss program that was the star of TV's "Coach" & the voice of Mr. incredible in "The Incredibles"
jenny craig t. nelson

Category: KNOW YOUR EARTH 
Clue: Giovanni Arduino classified rocks oldest to newest as primary, secondary & this, a term still used

tertiary

