In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

[Q]: when was the last time the death penalty was used in the us
[A]: 2018


[Q]: current board of governors of the federal reserve
[A]: Jerome Powell


[Q]: what are saturn's rings mostly made of
[A]:
rocky material