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: white dots on nails what does it mean

SOLUTION: Leukonychia

PROBLEM: when did robben island became a world heritage site

SOLUTION: 1999

PROBLEM: who has won the most gold cups in soccer

SOLUTION:
Mexico