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\*.
--------
Question: how long is a tracking number for ups

Answer: 18 characters


Question: where did the first in n out open

Answer: Baldwin Park, California


Question: who was the last australian to win the australian open

Answer:
Mark Edmondson