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: LITERATURE 
Clue: George Du Maurier introduced this evil hypnotist in his 1894 novel "Trilby"
svengali

Category: GOING WIRELESS 
Clue: Thanks to firms like Pegaso & Telemex, this country now has more cellular users than fixed line customers
mexico

Category: REALLY BIG SHOW 
Clue: Nearly 80% of all viewers watching TV on Nov. 21, 1980 were tuned in to this show to learn that Kristin had shot J.R.

dallas