TASK DEFINITION: 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\*.
PROBLEM: who is the principal assistant to the president in all matters relating to the dod

SOLUTION: Secretary of Defense

PROBLEM: when does nhl 2018 19 schedule come out

SOLUTION: was released on June 21

PROBLEM: who plays shere khan in the jungle book 2016

SOLUTION:
Idris Elba