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 NEW YORK TIMES MOVIES 
Clue: "Looking every inch a heavy-metal god, with a tangle of beard and power shoulder pads", Liam Neeson is Zeus in this 2010 flick
clash of the titans

Category: THE COMPUTER AGE 
Clue: Dan Bricklin developed VISICALC, the first of these programs, similar to an accounting ledger
spreadsheet

Category: SHOWERS 
Clue: The name of this thin mortar that seals tiles can also refer to meal or malt

grout