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.

[Q]: Category: FOLKLORE 
Clue: Old Stormalong soaped his ship to squeeze through the English channel; the soap rubbed off on these cliffs
[A]: the cliffs of dover


[Q]: Category: ONE-NAMED PERSONALITIES 
Clue: Known as "The Face of '66", this British supermodel has her own clothing line
[A]: twiggy


[Q]: Category: WHAT SHOULD I "DU"? 
Clue: A philosophical system that seeks to explain all phenomena in terms of 2 distinct principles
[A]:
dualism