TASK DEFINITION: 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.
PROBLEM: Category: COOKING 
Clue: When a pie has 2 of these, the top one may be "woven" in a lattice design

SOLUTION: crusts

PROBLEM: Category: DR. WHO... 
Clue: specializes in X-rays & elements, like the one with the atomic number 88 for treating diseases

SOLUTION: a radiologist

PROBLEM: Category: "AND" IDIOMS 
Clue: Bowling targets & a California city near the Arizona border

SOLUTION:
pins and needles