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: 5-LETTER WORDS 
Clue: It's the crosshatched paper used in math class
graph

Category: WOMEN SINGERS 
Clue: The 411 on this R&B singer: her song "Be Without You" was No. 1 in 2006, & her middle initial J. stands for Jane
mary j. blige

Category: ACTRESSES 
Clue: Her steamy love scenes with Mel Gibson heated up the screen in "The Year of Living Dangerously"

sigourney weaver