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\*.

who won the battle of britain in world war 2
British victory

who gave the concept of game theory first
Charles Waldegrave

who directed the rebuilding of the wall of jerusalem

Nehemiah