instruction:
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:
when did trinidad and tobago become an independent nation
answer:
1962


question:
who has won the most super bowl wins
answer:
The Pittsburgh Steelers


question:
when do we celebrate world environment day and why
answer:

5 June