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: THE ELEMENTS 
Clue: Most fluorescent lights are filled with a combination of argon & this element, Kr
krypton

Category: MY NAME IS BARBARA 
Clue: She appeared with Lassie in the 1949 film "The Sun Comes Up" before she played Beaver's mother on TV
barbara billingsley

Category: STATE CAPITAL FUN FESTS 
Clue: On Labor Day weekend, this capital invites you to step back in time & relive the Gold Rush days

sacramento