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]: who walked the tightrope between the twin towers
[A]: Philippe Petit


[Q]: what is it called when someone always needs attention
[A]: Histrionic personality disorder


[Q]: who was the first black quarter back in nfl
[A]:
Harris