TASK DEFINITION: In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
PROBLEM: Journal of optics a pure and applied optics abbreviation?

SOLUTION: J. Opt.

PROBLEM: Who wrote let's spend the night together?

SOLUTION: Mick Jagger and Keith Richards

PROBLEM: Little red riding hood actress into the woods?

SOLUTION:
Lilla Crawford