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\*.
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Question: who did denver play in the super bowl

Answer: Washington Redskins


Question: who won the competition to design the australian flag

Answer: Egbert John Nuttall,


Question: when did the iphone 5 first come out

Answer:
September 21, 2012