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\*.

Input: Consider Input: when was the us public health service founded

Output: 1798


Input: Consider Input: when is the movie only the brave coming out

Output: October 20, 2017


Input: Consider Input: the scattering of light by a colloidal suspension is called the


Output: Willis–Tyndall scattering