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\*.

[EX Q]: who discovered the magnetic effect of electric current
[EX A]: Hans Christian Ørsted

[EX Q]: who played in the world series in 1990
[EX A]: Cincinnati Reds

[EX Q]: how far is medford ma from boston ma
[EX A]:
3.2 miles