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 "SKY" IS FALLING 
Clue: America's first space station
skylab

Category: HISTORY 
Clue: This "Great" king who died in 4 B.C. married Mariamne, the last princess of the Maccabees' line
herod the great

Category: THE '60s 
Clue: This city's King's Road & Carnaby Street were hot scene of '60s fashion

london