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 consistency, answers should be in all lower cased letters.

Category: AUTOBIOGRAPHIES 
Clue: Though he claims never to have said it, he called his autobiography “Nice Guys Finish Last”
leo durocher

Category: CELEBRATED ON THEIR BIRTHDAYS 
Clue: Arbor Day in California, March 7
luther burbank

Category: THE "SOCIAL" NETWORK 
Clue: S.A.D. can stand for this psychological condition, a fear of being humiliated in front of others

the social anxiety disorder