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 was the dubai metro green line opened to public
answer:
September 2011 (


question:
when was the us public health service founded
answer:
1798


question:
who has played fiyero in wicked on broadway
answer:

Norbert Leo Butz