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: WHO PLAYED 'EM ON TV? 
Clue: Army company clerk Radar O'Reilly
gary burghoff

Category: ARTISTS & THEIR SUBJECTS 
Clue: Augustus John, known for his portrait of this Welsh poet, introduced the poet to his future wife Caitlin
dylan thomas

Category: MICHAEL J. FOX 
Clue: Michael hit the big time in the 1980s as Alex Keaton on this TV series

family ties